Schedule of Business Acquisitions, by Acquisition [Table Text Block]



Negotiated purchase price	$	1,400.0
Preliminary working capital and other adjustments	71.4
Indebtedness acquired	(540.0		)
Preliminary purchase price, net of indebtedness acquired	$	931.4



	Preliminary Valuation
Purchase price allocation	May 21, 2015
Cash and cash equivalents	$	30.9
Receivables, net	156.1
Inventories, net	84.5
Properties, net	42.2
Intangibles, net	429.0
Other assets	26.0
Total assets acquired	768.7
Total liabilities assumed	803.0
Total identifiable net assets less goodwill	(34.3		)
Goodwill	965.7
Total identifiable net assets	$	931.4

Business Acquisition, Pro Forma Information [Table Text Block]



	Three months ended June 30,					Nine months ended June 30,
	2015			2014		2015			2014
Net sales:
Reported net consumer and other product sales	$	1,249.7		$	1,133.2	$	3,425.0		$	3,255.5
AAG adjustment	88.1			157.1		275.9			307.8
Pro forma net consumer and other product sales	$	1,337.8		$	1,290.3	$	3,700.9		$	3,563.3

Net (loss) income:
Reported net (loss) income	$	(41.4	)	$	141.5	$	(385.3	)	$	84.1
AAG adjustment (a)	4.4			4.9		(7.4		)	(3.0		)
Pro forma net (loss) income	$	(37.0	)	$	146.4	$	(392.7	)	$	81.1

Compass Production Partners [Member]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]



	Preliminary Valuation
Purchase price allocation	October 31, 2014
Assets acquired:
Current assets	$	56.1
Unproved oil and natural gas properties	26.3
Proved developed oil and natural gas properties	767.5
Gathering assets	20.8
Other non-current assets	1.9
Liabilities assumed:
Accounts payable	(23.2		)
Revenues and royalties payable	(18.9		)
Other current liabilities	(1.0		)
Long term debt, less current maturities	(327.0		)
Asset retirement obligations	(36.0		)
Total identifiable net assets	466.5
Non-controlling interests	(0.8		)
Total net assets acquired	$	465.7

Cash paid upon the acquisition of additional interest	$	118.8
Fair value of equity investment in Compass prior to acquisition	346.9
Total purchase price	$	465.7

Ability Re [Member]

Business Combination Preliminary Allocation Of Purchase Price Disclosure Table [Table Text Block]

The following table summarizes the consideration paid by Front Street Cayman for Ability Re:



Cash paid at November 3, 2014 close	$	17.9
Cash purchase price adjustments	(1.5		)
Contingent consideration premium increase benefit	2.8
Total consideration	$	19.2

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the preliminary amounts recognized at fair value for each major class of assets acquired and liabilities assumed as of October 31, 2014:



	Preliminary Valuation
Purchase price allocation	October 31, 2014
Assets acquired:
Investments	$	0.1
Cash and cash equivalents	8.4
Funds withheld	359.5
Total assets acquired	368.0
Liabilities assumed:
Insurance reserves	346.9
Other liabilities	1.9
Total liabilities assumed	348.8
Net assets acquired	$	19.2

Tell Manufacturing [Member]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The preliminary fair values recorded for the assets acquired and liabilities assumed for Tell were as follows:



	Preliminary Valuation
	October 1, 2014
Cash	$	1.1
Accounts receivable	5.4
Inventories	7.2
Prepaid expense	0.6
Property, plant and equipment, net	1.5
Intangible assets	12.5
Total assets acquired	28.3
Total liabilities assumed	5.1
Total identifiable net assets less goodwill	23.2
Goodwill	7.1
Total identifiable net assets	$	30.3

European IAMS and Eukanuba [Member]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The preliminary fair values recorded for the assets acquired and liabilities assumed for European IAMS and Eukanuba were as follows:



	Preliminary Valuation
	December 31, 2014
Inventories	$	15.1
Prepaid expense	1.3
Other current assets	2.6
Property, plant and equipment, net	58.3
Intangible assets	40.5
Total assets acquired	117.8
Total liabilities assumed	5.6
Total identifiable net assets less goodwill	112.2
Goodwill	3.5
Total identifiable net assets	$	115.7

Salix Animal Health LLC [Member]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The preliminary fair values recorded for the assets acquired and liabilities assumed for Salix were as follows:



	Preliminary Valuation
	January 16, 2014
Cash	$	0.5
Accounts receivable	9.9
Inventories	17.0
Prepaid expense	2.4
Property, plant and equipment, net	1.2
Intangible assets	58.5
Total assets acquired	89.5
Total liabilities assumed	11.3
Total identifiable net assets less goodwill	78.2
Goodwill	70.1
Total identifiable net assets	$	148.3

Investments (Tables)

9 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Available-for-Sale Securities

The Company’s consolidated investments are summarized as follows:



	June 30, 2015
	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Carrying Value
Fixed-maturity securities, available-for sale
Asset-backed securities	$	1,906.7	$	4.9	$	(24.1	)	$	1,887.5	$	1,887.5
Commercial mortgage-backed securities	814.2		14.4		(7.0		)	821.6		821.6
Corporates	9,378.5		346.2		(173.6		)	9,551.1		9,551.1
Hybrids	1,223.6		46.4		(28.9		)	1,241.1		1,241.1
Municipals	1,378.5		91.9		(19.8		)	1,450.6		1,450.6
Residential mortgage-backed securities	2,099.5		100.6		(24.7		)	2,175.4		2,175.4
U.S. Government	587.5		9.2		(0.4		)	596.3		596.3
Total fixed maturities	17,388.5		613.6		(278.5		)	17,723.6		17,723.6
Equity securities
Available-for-sale	561.1		22.9		(4.4		)	579.6		579.6
Held for trading	18.7		23.2		—			41.9		41.9
Total equity securities	579.8		46.1		(4.4		)	621.5		621.5
Derivatives	211.9		47.0		(38.5		)	220.4		220.4
Asset-based loans	490.0		—		—			490.0		490.0
Other invested assets	442.4		—		—			442.4		442.4
Total investments	$	19,112.6	$	706.7	$	(321.4	)	$	19,497.9	$	19,497.9



	September 30, 2014
	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Carrying Value
Fixed-maturity securities, available-for-sale
Asset-backed securities	$	1,800.8	$	10.9	$	(18.8	)	$	1,792.9	$	1,792.9
Commercial mortgage-backed securities	617.6		21.3		(2.0		)	636.9		636.9
Corporates	9,345.5		499.2		(48.9		)	9,795.8		9,795.8
Hybrids	1,279.1		52.2		(15.2		)	1,316.1		1,316.1
Municipals	1,149.9		116.2		(6.3		)	1,259.8		1,259.8
Residential mortgage-backed securities	1,984.8		140.3		(11.1		)	2,114.0		2,114.0
U.S. Government	291.0		6.4		(1.4		)	296.0		296.0
Total fixed-maturity securities	16,468.7		846.5		(103.7		)	17,211.5		17,211.5
Equity securities
Available-for-sale	645.7		23.0		(5.1		)	663.6		663.6
Held for trading	141.2		8.2		(44.9		)	104.5		104.5
Total equity securities	786.9		31.2		(50.0		)	768.1		768.1
Derivatives	177.7		123.3		(4.7		)	296.3		296.3
Asset-based loans	811.6		—		—			811.6		811.6
Other invested assets	164.9		0.1		—			165.0		165.0
Total investments	$	18,409.8	$	1,001.1	$	(158.4	)	$	19,252.5	$	19,252.5

Amortized Cost and Fair Value of Fixed Maturity Available-for-Sale Securities



	June 30, 2015
	Amortized Cost		Fair Value
Corporates, Non-structured Hybrids, Municipal and U.S. Government securities:
Due in one year or less	$	203.2	$	205.7
Due after one year through five years	2,113.2		2,153.2
Due after five years through ten years	2,955.1		3,015.0
Due after ten years	6,623.3		6,804.1
Subtotal	11,894.8		12,178.0
Other securities which provide for periodic payments:
Asset-backed securities	1,906.7		1,887.5
Commercial-mortgage-backed securities	814.2		821.6
Structured hybrids	673.3		661.1
Residential mortgage-backed securities	2,099.5		2,175.4
Total fixed maturity available-for-sale securities	$	17,388.5	$	17,723.6

Fair Value and Gross Unrealized Losses of Available-for-Sale-Securities

The fair value and gross unrealized losses of available-for-sale securities, aggregated by investment category, were as follows:



	June 30, 2015
	Less than 12 months					12 months or longer					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Available-for-sale securities
Asset-backed securities	$	725.9	$	(10.2	)	$	597.4	$	(13.9	)	$	1,323.3	$	(24.1	)
Commercial-mortgage-backed securities	318.9		(6.9		)	56.8		(0.1		)	375.7		(7.0		)
Corporates	2,832.7		(127.3		)	893.8		(46.3		)	3,726.5		(173.6		)
Equities	59.9		(1.3		)	94.6		(3.1		)	154.5		(4.4		)
Hybrids	174.1		(5.2		)	360.9		(23.7		)	535.0		(28.9		)
Municipals	339.4		(12.8		)	210.9		(7.0		)	550.3		(19.8		)
Residential mortgage-backed securities	496.2		(12.7		)	246.2		(12.0		)	742.4		(24.7		)
U.S. Government	349.9		—			59.3		(0.4		)	409.2		(0.4		)
Total available-for-sale securities	$	5,297.0	$	(176.4	)	$	2,519.9	$	(106.5	)	$	7,816.9	$	(282.9	)
Total number of available-for-sale securities in an unrealized loss position			783					300					1083



	September 30, 2014
	Less than 12 months					12 months or longer					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Available-for-sale securities
Asset-backed securities	$	825.8	$	(11.8	)	$	288.2	$	(7.0	)	$	1,114.0	$	(18.8	)
Commercial mortgage-backed securities	160.3		(0.9		)	0.4		(1.1		)	160.7		(2.0		)
Corporates	816.6		(16.3		)	1,127.8		(32.6		)	1,944.4		(48.9		)
Equities	180.4		(2.2		)	54.9		(2.9		)	235.3		(5.1		)
Hybrids	258.2		(2.3		)	290.0		(12.9		)	548.2		(15.2		)
Municipals	—		—			264.9		(6.3		)	264.9		(6.3		)
Residential mortgage-backed securities	298.5		(5.8		)	177.6		(5.3		)	476.1		(11.1		)
U.S. Government	37.3		(0.1		)	81.7		(1.3		)	119.0		(1.4		)
Total available-for-sale securities	$	2,577.1	$	(39.4	)	$	2,285.5	$	(69.4	)	$	4,862.6	$	(108.8	)
Total number of available-for-sale securities in an unrealized loss position			319					310					629

Portfolio of Asset-Backed Loans and Other Invested Assets

portfolio of asset-based loans receivable, included in “Asset-based loans” in the unaudited Condensed Consolidated Balance Sheets as of June 30, 2015 and September 30, 2014, consisted of the following:



	June 30, 2015		September 30, 2014
Asset-based loans, net of deferred fees, by major industry:
Apparel	$	171.2	$	191.6
Jewelry	81.4		100.1
Electronics	70.8		245.4
Home Furnishings	55.8		71.7
Manufacturing	49.8		56.9
Other	105.4		153.1
Total asset-based loans	534.4		818.8
Less: Allowance for credit losses	44.4		7.2
Total asset-based loans, net	$	490.0	$	811.6

Schedule of Allowance for Credit Losses

The following table presents the activity in its allowance for credit losses for the three and nine months ended June 30, 2015 and 2014:



	Three months ended June 30,					Nine months ended June 30,
	2015		2014			2015			2014
Allowance for credit losses:
Balance at beginning of period	$	33.8	$	7.0		$	7.2		$	5.2
Provision for credit losses	10.6		(0.3		)	113.8			1.5
Charge-offs	—		—			(76.6		)	—
Balance at end of period	$	44.4	$	6.7		$	44.4		$	6.7

Schedule of Credit Quality of Asset-Based Loan Portfolio



	Internal Risk Rating
	Pass		Special Mention		Substandard		Doubtful		Total
June 30, 2015	$	126.7	$	44.9	$	271.5	$	91.3	$	534.4
September 30, 2014	$	195.3	$	372.7	$	250.8	$	—	$	818.8

Net Investment Income

The major sources of “Net investment income” on the accompanying unaudited Condensed Consolidated Statements of Operations were as follows:



	Three months ended June 30,						Nine months ended June 30,
	2015			2014			2015			2014
Fixed maturity available-for-sale securities	$	209.6		$	192.1		$	623.8		$	568.1
Equity available-for-sale securities	10.2			7.1			27.9			16.7
Asset-based loans	9.7			16.7			36.2			44.5
Other investments	7.3			1.8			13.8			3.5
Gross investment income	236.8			217.7			701.7			632.8
External investment expense	(5.2		)	(6.8		)	(14.3		)	(14.3		)
Net investment income	$	231.6		$	210.9		$	687.4		$	618.5

Net Investment Gains

“Net investment gains” reported on the accompanying unaudited Condensed Consolidated Statements of Operations were as follows:



	Three months ended June 30,					Nine months ended June 30,
	2015			2014		2015			2014
Net realized gains on fixed maturity available-for-sale securities	$	54.6		$	74.4	$	60.5		$	92.1
Realized (losses) gains on equity securities	(1.5		)	3.0		(4.7		)	13.8
Net realized gains on securities	53.1			77.4		55.8			105.9
Realized gains on certain derivative instruments	41.0			62.7		129.2			173.3
Unrealized (losses) gains on certain derivative instruments	(48.6		)	38.9		(99.3		)	78.2
Change in fair value of other embedded derivatives	(0.5		)	0.3		0.5			0.3
Change in fair value of derivatives	(8.1		)	101.9		30.4			251.8
Realized (losses) gains on other invested assets and funds withheld receivables	(39.3		)	5.3		(32.4		)	9.7
Net investment gains	$	5.7		$	184.6	$	53.8		$	367.4

Cash Flows from Consolidated Investing Activities by Security

Cash flows from consolidated investing activities by security classification were as follows:



	Nine months ended June 30,
	2015			2014
Proceeds from investments sold, matured or repaid:
Available-for-sale	$	3,860.6		$	4,402.1
Trading (acquired for holding)	—			54.9
Derivatives and other	301.5			297.5
	$	4,162.1		$	4,754.5
Cost of investments acquired:
Available-for-sale	$	(4,495.3	)	$	(5,594.5	)
Trading (acquired for holding)	—			(67.8		)
Derivatives and other	(470.3		)	(267.4		)
	$	(4,965.6	)	$	(5,929.7	)

Concentration Risk Disclosure [Text Block]

Concentrations of Investments

Investments Mortgage Loans on Real Estate (Tables)

9 Months Ended

Jun. 30, 2015

Mortgage Loans on Real Estate [Line Items]

Mortgage Loans on Real Estate, by Loan Disclosure [Text Block]

Mortgage Loans on Real Estate

The distribution of CMLs, gross of valuation allowances, by property type and geographic region is reflected in the following tables:



	June 30, 2015				September 30, 2014
	Gross Carrying Value		% of Total		Gross Carrying Value		% of Total
Property Type:
Office	$	128.9	31.9	%	$	44.6	32.7	%
Retail	128.9		31.9	%	5.8		4.3	%
Industrial - Warehouse	66.9		16.6	%	48.0		35.2	%
Multifamily	56.8		14.1	%	37.8		27.8	%
Hotel	12.5		3.1	%	—		—	%
Industrial - General	9.2		2.2	%	—		—	%
Funeral Home	0.7		0.2	%	—		—	%
Total	$	403.9	100.0	%	$	136.2	100.0	%

US Region:
East North Central	$	113.3	28.1	%	$	27.8	20.4	%
Middle Atlantic	81.3		20.1	%	10.9		8.0	%
Pacific	81.2		20.1	%	61.5		45.1	%
South Atlantic	55.7		13.8	%	—		—	%
Mountain	41.8		10.3	%	—		—	%
West South Central	19.6		4.9	%	30.2		22.2	%
West North Central	5.6		1.4	%	5.8		4.3	%
New England	5.4		1.3	%	—		—	%
Total	$	403.9	100.0	%	$	136.2	100.0	%

The following table presents the recorded investment in CMLs by LTV and DSC ratio categories and estimated fair value by the indicated loan-to-value ratios at June 30, 2015 and September 30, 2014:



	Debt-Service Coverage Ratios						Total Amount		% of Total		Estimated Fair Value		% of Total
	>1.25		1.00 - 1.25		N/A (a)		Total Amount		% of Total		Estimated Fair Value		% of Total
June 30, 2015
LTV Ratios:
Less than 50%	$	93.2	$	—	$	0.7	$	93.9	23.3	%	$	93.9	23.3	%
50% to 60%	128.4		19.6		—		148.0		36.6	%	148.0		36.6	%
60% to 75%	162.0		—		—		162.0		40.1	%	162.0		40.1	%
Total mortgage loans on real estate	$	383.6	$	19.6	$	0.7	$	403.9	100.0	%	$	403.9	100.0	%
September 30, 2014
LTV Ratios:
Less than 50%	$	44.6	$	—	$	0.8	$	45.4	33.3	%	$	45.4	33.3	%
50% to 60%	19.9		—		—		19.9		14.6	%	19.9		14.6	%
60% to 75%	70.9		—		—		70.9		52.1	%	70.9		52.1	%
Total mortgage loans on real estate	$	135.4	$	—	$	0.8	$	136.2	100.0	%	$	136.2	100.0	%

(a) N/A - Current financial information not available.



	June 30, 2015		September 30, 2014
Current to 30 days	$	403.9	$	136.2
Total carrying value	$	403.9	$	136.2

As of June 30, 2015, FGL Insurance's CML portfolio had no impairments, modifications or troubled debt restructuring.

Derivative Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2015

Derivative [Line Items]

Fair Value of Outstanding Derivative Contracts in Condensed Consolidated Balance Sheets

The fair value of outstanding derivative contracts recorded in the accompanying unaudited Condensed Consolidated Balance Sheets were as follows:



Asset Derivatives	Classification	June 30, 2015		September 30, 2014
Derivatives designated as hedging instruments:
Foreign exchange contracts	Receivables, net	$	5.9	$	12.0
Interest rate contracts	Other assets	—		0.6
Commodity contracts	Receivables, net	—		1.3
Foreign exchange contracts	Cash and cash equivalents	0.3		0.3
Total asset derivatives designated as hedging instruments		6.2		14.2
Derivatives not designated as hedging instruments:
Call options	Derivatives	220.1		296.3
Commodity contracts	Receivables, net	10.3		1.9
Futures contracts	Derivatives	0.3		—
Other embedded derivatives	Other invested assets	11.7		11.2
Foreign exchange contracts	Receivables, net	—		0.5
Total asset derivatives		$	248.6	$	324.1



Liability Derivatives	Classification	June 30, 2015		September 30, 2014
Derivatives designated as hedging instruments:
Interest rate contracts	Accounts payable and other current liabilities	$	1.8	$	1.8
Interest rate contracts	Other liabilities	0.4		—
Commodity contracts	Accounts payable and other current liabilities	1.5		0.1
Commodity contracts	Other liabilities	0.1		—
Foreign exchange contracts	Accounts payable and other current liabilities	0.4		—
Foreign exchange contracts	Other liabilities	0.4		—
Total liability derivatives designated as hedging instruments		4.6		1.9
Derivatives not designated as hedging instruments:
FIA embedded derivative	Contractholder funds	2,173.7		1,908.1
Foreign exchange	Accounts payable and other current liabilities	0.2		0.1
Futures contracts	Other liabilities	—		0.5
Commodity contracts	Other liabilities	—		0.3
Total liability derivatives		$	2,178.5	$	1,910.9

Summary of Gain (Loss) Recognized in Income on Derivatives

During the three and nine months ended June 30, 2015 and 2014, the Company recognized the following gains and losses on these derivatives:



		Three months ended June 30,						Nine months ended June 30,
Classification	Derivatives Not Designated as Hedging Instruments	2015			2014			2015			2014
Revenues:
Net investment (losses) gains	Call options	$	(7.6	)	$	91.1		$	25.6		$	226.6
	Futures contracts	—			10.5			4.3			24.9
	Change in fair value of other embedded derivatives	(0.5		)	0.3			0.5			0.3
Operating costs and expenses:
Benefits and other changes in policy reserves	FIA embedded derivatives	$	(43.7	)	$	145.8		$	265.6		$	320.1
Cost of consumer products and other goods sold	Commodity contracts	—			0.1			—			—
Other income and expense:
Other (expense) income , net	Oil and natural gas commodity contracts	$	(2.7	)	$	(2.2	)	$	21.3		$	(12.4	)
	Foreign exchange contracts	5.0			(0.2		)	(2.4		)	0.4
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock	Equity conversion feature of preferred stock	—			38.0			—			(12.7		)

Volumes and Fair Value of Oil and Natural Gas Derivative Financial Instruments

The following table presents Compass’ volumes and fair value of the oil derivative financial instrument as of June 30, 2015 (presented on a calendar-year basis):



(in millions, except volumes and prices)	Volume Mmbtus/Mbbls	Weighted average strike price per Mmbtu/Bbl		Fair Value at June 30, 2015
Natural gas:
Swaps:
July - December 2015	5,520	$	3.95	$	5.8
Three-way collars:
July - October 2015	2,460			0.2
Short call		3.27
Long put		2.85
Short put		2.10
Total natural gas	7,980			$	6.0
Oil:
Swaps:
July - December 2015	125	$	94.98	$	4.3
Collars:
July - December 2015	55			$	—
Short call		67.50
Long put		50.00
Three-way collars:
January - December 2016	110			$	—
Short call		80.00
Long put		60.00
Short put		45.00
Total oil	290			$	4.3
Total oil and natural gas derivatives				$	10.3

Call options [Member]

Derivative [Line Items]

FGL's Exposure to Credit Loss on Call Options Held

Information regarding FGL’s exposure to credit loss on the call options it holds is presented in the following table:



		June 30, 2015								September 30, 2014
Counterparty	Credit Rating (Fitch/Moody's/S&P) (a)	Notional Amount		Fair Value		Collateral		Net Credit Risk		Notional Amount		Fair Value		Collateral		Net Credit Risk
Merrill Lynch	A/*/A	$	2,438.4	$	58.7	$	14.9	$	43.8	$	2,239.9	$	92.7	$	52.5	$	40.2
Deutsche Bank	A/A3/BBB+	2,660.1		71.8		39.4		32.4		2,810.0		108.0		72.5		35.5
Morgan Stanley	*/A1/A	3,746.8		88.3		64.5		23.8		2,294.7		85.0		63.0		22.0
Barclay's Bank	A/A2/A-	127.0		1.3		—		1.3		258.0		10.6		—		10.6
Total		$	8,972.3	$	220.1	$	118.8	$	101.3	$	7,602.6	$	296.3	$	188.0	$	108.3

Fair Value of Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities not Measured at Fair Value [Table Text Block]



	June 30, 2015
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Assets (a)
Cash and cash equivalents	$	1,293.2	$	—	$	—	$	1,293.2	$	1,293.2
Asset-based loans	—		—		490.0		490.0		490.0
Other invested assets	—		—		427.9		427.9		427.9
Total financial assets	$	1,293.2	$	—	$	917.9	$	2,211.1	$	2,211.1

Liabilities (a)
Total debt (b)	$	—	$	6,941.9	$	65.4	$	7,007.3	$	6,832.7
Investment contracts, included in contractholder funds	—		—		14,016.1		14,016.1		15,530.1
Total financial liabilities	$	—	$	6,941.9	$	14,081.5	$	21,023.4	$	22,362.8



	September 30, 2014
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Assets (a)
Cash and cash equivalents	$	1,319.2	$	—	$	—	$	1,319.2	$	1,319.2
Asset-based loans	—		—		811.6		811.6		811.6
Other invested assets	—		—		151.7		151.7		151.7
Total financial assets	$	1,319.2	$	—	$	963.3	$	2,282.5	$	2,282.5

Liabilities (a)
Total debt (b)	$	—	$	5,308.5	$	—	$	5,308.5	$	5,157.8
Investment contracts, included in contractholder funds	—		—		13,108.8		13,108.8		14,555.4
Total financial liabilities	$	—	$	5,308.5	$	13,108.8	$	18,417.3	$	19,713.2


(a)	The carrying amounts of trade receivables, accounts payable, accrued investment income and portions of other insurance liabilities approximate fair value due to their short duration and, accordingly, they are not presented in the tables above.


(b)	The fair values of debt set forth above are generally based on quoted or observed market prices.

Assets and Liabilities Carrying at Fair Value on Recurring Basis

The Company’s consolidated assets and liabilities measured at fair value are summarized according to the hierarchy previously described as follows:



	June 30, 2015								September 30, 2014
	Level 1		Level 2		Level 3		Fair Value		Level 1		Level 2		Level 3		Fair Value
Assets
Contingent purchase price reduction receivable	$	—	$	—	$	—	$	—	$	—	$	—	$	41.5	$	41.5
Derivatives:
Interest rate contracts	—		—		—		—		—		0.6		—		0.6
Commodity contracts	—		10.3		—		10.3		—		3.2		—		3.2
Foreign exchange contracts	—		6.2		—		6.2		—		12.8		—		12.8
Call options and futures contracts	—		220.4		—		220.4		—		296.3		—		296.3
Fixed maturity securities, available-for-sale:
Asset-backed securities	—		1,854.4		33.1		1,887.5		—		1,755.9		37.0		1,792.9
Commercial mortgage-backed securities	—		681.5		140.1		821.6		—		553.8		83.1		636.9
Corporates	—		8,634.2		916.9		9,551.1		—		8,945.8		850.0		9,795.8
Hybrids	—		1,241.1		—		1,241.1		—		1,316.1		—		1,316.1
Municipals	—		1,413.1		37.5		1,450.6		—		1,222.6		37.2		1,259.8
Residential mortgage-backed securities	—		2,175.4		—		2,175.4		—		2,114.0		—		2,114.0
U.S. Government	413.4		182.9		—		596.3		115.6		180.4		—		296.0
Equity securities:
Available-for-sale	26.7		546.9		6.0		579.6		59.2		598.4		6.0		663.6
Trading	41.9		—		—		41.9		104.5		—		—		104.5
Other invested assets	—		—		14.5		14.5		—		2.1		11.2		13.3
Funds withheld receivable (a)	45.8		595.9		—		641.7		—		154.4		—		154.4
Total financial assets	$	527.8	$	17,562.3	$	1,148.1	$	19,238.2	$	279.3	$	17,156.4	$	1,066.0	$	18,501.7
Liabilities
Derivatives:
FIA embedded derivatives, included in contractholder funds	$	—	$	—	$	2,173.7	$	2,173.7	$	—	$	—	$	1,908.1	$	1,908.1
Front Street future policyholder benefit liability	—		—		594.6		594.6		—		—		151.3		151.3
Foreign exchange contracts	—		1.0		—		1.0		—		0.1		—		0.1
Futures contracts	—		—		—		—		—		0.5		—		0.5
Commodity contracts	—		1.6		—		1.6		—		0.4		—		0.4
Interest rate contracts	—		2.2		—		2.2		—		1.8		—		1.8
Total financial liabilities	$	—	$	4.8	$	2,768.3	$	2,773.1	$	—	$	2.8	$	2,059.4	$	2,062.2

Schedule of Unobservable Inputs Used for Level Three Fair Value Measurements of Financial Instruments on Recurring Basis



	Fair Value at						Range (Weighted average)
Assets	June 30, 2015		September 30, 2014		Valuation Technique	Unobservable Input(s)	June 30, 2015	September 30, 2014
Contingent purchase price reduction receivable	$	—	$	41.5	Discounted cash flow	Probability of collection	—	88% - 96% (92%)
						Expected term	—	4.5 months
						Discount rate	—	1%
						Credit insurance risk premium	—	12%
Asset-backed securities	33.1		37.0		Broker-quoted	Offered quotes	100% - 107% (101%)	100% - 109% (101%)
Commercial mortgage-backed securities	140.1		83.1		Broker-quoted	Offered quotes	100% - 122% (113%)	105% - 121% (118%)
Corporates	883.8		848.0		Broker-quoted	Offered quotes	60% - 120% (102%)	62% - 120% (100%)
Corporates	33.1		2.0		Matrix Pricing	Quoted prices	104% - 144% (105%)	142%
Municipal	37.5		37.2		Broker-quoted	Offered quotes	108%	107%
Equity	6.0		6.0		Broker-quoted	Quoted prices	100%	100%
Other invested assets	11.7		11.2		Black Scholes model	Market value of AnchorPath Fund	100%	100%
Other invested assets	2.8		—		Discounted cash flow	Probability of collection	50%	—
						Discount rate	10%	—
Total	$	1,148.1	$	1,066.0
Liabilities
FIA embedded derivatives, included in contractholder funds	$	2,173.7	$	1,908.1	Discounted cash flow	Market value of option	0% - 41% (2%)	0% - 50% (3%)
						SWAP rates	2%	2% - 3% (2%)
						Mortality multiplier	80%	80%
						Surrender rates	0.50% - 75% (7%)	0.50% - 75% (7%)
						Non-performance risk spread	0.25%	0.25%
Front Street future policyholder benefit liability	594.6		151.3		Discounted cash flow	Non-performance risk spread	0.50% - 1.50%	0.50% - 1.50%
						Risk margin to reflect uncertainty	1%	0.50%
Total	$	2,768.3	$	2,059.4

Changes in Fair Value of Financial Instruments



	Three months ended June 30, 2015
	Balance at Beginning of Period		Total Gains (Losses)														Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Assets
Contingent purchase price reduction receivable	$	47.0	$	3.0		$	—		$	—	$	—		$	(50.0	)	$	—		$	—
Fixed maturity securities available-for-sale:
Asset-backed securities	34.3		—			(0.1		)	—		—			(0.1		)	(1.0		)	33.1
Commercial mortgage-backed securities	142.5		—			(1.9		)	—		—			(0.5		)	—			140.1
Corporates	941.1		—			(20.0		)	—		(1.6		)	(2.6		)	—			916.9
Municipals	39.8		—			(2.1		)	—		—			(0.2		)	—			37.5
Equity securities - available-for-sale	6.0		—			—			—		—			—			—			6.0
Other invested assets	12.2		(16.8		)	—			—		—			—			19.1			14.5
Total assets at fair value	$	1,222.9	$	(13.8	)	$	(24.1	)	$	—	$	(1.6	)	$	(53.4	)	$	18.1		$	1,148.1

	Balance at Beginning of Period		Total (Gains) Losses														Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Liabilities
FIA embedded derivatives, included in contractholder funds	$	2,217.4	$	(43.7	)	$	—		$	—	$	—		$	—		$	—		$	2,173.7
Front Street future policyholder benefit liability	584.5		(31.7		)	—			77.6		—			(35.8		)	—			594.6
Total liabilities at fair value	$	2,801.9	$	(75.4	)	$	—		$	77.6	$	—		$	(35.8	)	$	—		$	2,768.3



	Nine months ended June 30, 2015
	Balance at Beginning of Period		Total Gains (Losses)														Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Assets
Contingent purchase price reduction receivable	$	41.5	$	8.5		$	—		$	—	$	—		$	(50.0	)	$	—		$	—
Fixed maturity securities available-for-sale:
Asset-backed securities	37.0		0.1			(0.1		)	6.7		—			(0.2		)	(10.4		)	33.1
Commercial mortgage-backed securities	83.1		—			0.4			57.7		—			(1.1		)	—			140.1
Corporates	850.0		2.3			3.3			122.4		(1.6		)	(35.4		)	(24.1		)	916.9
Municipals	37.2		—			0.7			—		—			(0.4		)	—			37.5
Equity securities - available-for-sale	6.0		—			—			—		—			—			—			6.0
Other invested assets	11.2		(15.8		)	—			—		—			—			19.1			14.5
Total assets at fair value	$	1,066.0	$	(4.9	)	$	4.3		$	186.8	$	(1.6	)	$	(87.1	)	$	(15.4	)	$	1,148.1

	Balance at Beginning of Period		Total (Gains) Losses														Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Liabilities
FIA embedded derivatives, included in contractholder funds	$	1,908.1	$	265.6		$	—		$	—	$	—		$	—		$	—		$	2,173.7
Front Street future policyholder benefit liability	151.3		(25.3		)	—			514.6		—			(46.0		)	—			594.6
Total liabilities at fair value	$	2,059.4	$	240.3		$	—		$	514.6	$	—		$	(46.0	)	$	—		$	2,768.3



	Three months ended June 30, 2014
	Balance at Beginning of Period		Total Gains (Losses)													Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI		Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Assets
Contingent purchase price reduction receivable	$	41.5	$	—		$	—	$	—	$	—		$	—		$	—		$	41.5
Fixed maturity securities available-for-sale:
Asset-backed securities	10.7		—			—		—		—			—			(4.8		)	5.9
Commercial mortgage-backed securities	—		—			0.1		83.8		—			—			—			83.9
Corporates	657.0		—			14.4		88.9		(1.0		)	—			(14.1		)	745.2
Municipals	35.6		—			0.9		—		—			—			—			36.5
Equity securities- trading	10.8		1.2			—		1.5		—			(13.5		)	—			—
Equity securities- available for sale	—		—			0.5		5.5		—			—			—			6.0
Other invested assets	—		0.3			—		11.3		—			—			—			11.6
Total assets at fair value	$	755.6	$	1.5		$	15.9	$	191.0	$	(1.0	)	$	(13.5	)	$	(18.9	)	$	930.6

	Balance at Beginning of Period		Total (Gains) Losses													Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings			Included in AOCI		Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Liabilities
FIA embedded derivatives, included in contractholder funds	$	1,718.7	$	145.8		$	—	$	—	$	—		$	—		$	—		$	1,864.5
Front Street future policyholder benefit liability	151.0		5.1			—		—		—			(1.2		)	—			154.9
Equity conversion feature of preferred stock	364.8		(38.0		)	—		—		—			(326.8		)	—			—
Total liabilities at fair value	$	2,234.5	$	112.9		$	—	$	—	$	—		$	(328.0	)	$	—		$	2,019.4

(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.



	Nine months ended June 30, 2014
	Balance at Beginning of Period		Total Gains (Losses)													Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings		Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Assets
Contingent purchase price reduction receivable	$	41.0	$	0.5	$	—		$	—	$	—		$	—		$	—		$	41.5
Fixed maturity securities available-for-sale:
Asset-backed securities	5.0		—		(0.3		)	5.0		—			—			(3.8		)	5.9
Commercial mortgage-backed securities	5.7		—		0.4			83.8		—			—			(6.0		)	83.9
Corporates	461.1		—		18.4			283.2		(1.0		)	(2.4		)	(14.1		)	745.2
Municipals	—		—		1.5			35.0		—			—			—			36.5
Equity securities- trading	10.7		1.3		—			1.5		—			(13.5		)	—			—
Equity securities- available-for-sale	—		—		0.5			5.5		—			—			—			6.0
Other invested assets	—		0.3		—			11.3		—			—			—			11.6
Total assets at fair value	$	523.5	$	2.1	$	20.5		$	425.3	$	(1.0	)	$	(15.9	)	$	(23.9	)	$	930.6

	Balance at Beginning of Period		Total (Gains) Losses													Net transfer In (Out) of Level 3 (a)			Balance at End of Period
	Balance at Beginning of Period		Included in Earnings		Included in AOCI			Purchases		Sales			Settlements			Net transfer In (Out) of Level 3 (a)			Balance at End of Period
Liabilities
FIA embedded derivatives, included in contractholder funds	$	1,544.4	$	320.1	$	—		$	—	$	—		$	—		$	—		$	1,864.5
Front Street future policyholder benefit liability	—		8.1		—			150.6		—			(3.8		)	—			154.9
Equity conversion feature of preferred stock	330.8		12.7		—			—		—			(343.5		)	—			—
Total liabilities at fair value	$	1,875.2	$	340.9	$	—		$	150.6	$	—		$	(347.3	)	$	—		$	2,019.4

Goodwill and Intangibles, including DAC and VOBA (Tables) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Finite-Lived Intangible Assets [Line Items]

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]



	Amortizable Life
	Minimum	Maximum

Customer relationships	2	20
Trade names	3	13
Technology Assets	4	17

2015	90.0
2016	90.0
2017	90.0
2018	90.0

Summary of Definite Lived Intangible Assets

$ 99.6

$ 40.7

$ 149.6

$ 121.5

A summary of the changes in the carrying amounts of goodwill and intangible assets, including DAC and VOBA balances, are as follows:



				Intangible Assets
	Goodwill			Indefinite Lived			Definite Lived			VOBA			DAC			Total
Balance at September 30, 2014	$	1,524.8		$	1,215.9		$	917.2		$	86.8		$	463.8		$	2,683.7
Acquisitions	1,046.4			349.7			191.7			—			—			541.4
Impairments	(28.3		)	(31.9		)	—			—			—			(31.9		)
Deconsolidation in connection to bankruptcy of a subsidiary	(16.2		)	(9.9		)										(9.9		)
Deferrals	—			—			—			—			251.4			251.4
Less: Components of amortization
Periodic amortization	—			—			(64.0		)	(49.2		)	(59.3		)	(172.5		)
Interest	—			—			—			9.2			16.2			25.4
Unlocking	—			—			—			2.4			(4.9		)	(2.5		)
Adjustment for unrealized investment (gains), net	—			—			—			49.1			92.4			141.5
Effect of translation	(28.0		)	(22.0		)	(18.6		)	—			—			(40.6		)
Balance at June 30, 2015	$	2,498.7		$	1,501.8		$	1,026.3		$	98.3		$	759.6		$	3,386.0

Definite lived intangible assets are summarized as follows:



	June 30, 2015							September 30, 2014
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net		Amortizable Life
Customer relationships	$	992.0	$	(234.4	)	$	757.6	$	877.1	$	(204.6	)	$	672.5	2 to 20 years
Trade names	171.6		(73.2		)	98.4		171.1		(61.0		)	110.1		3 to 13 years
Technology assets	242.6		(72.3		)	170.3		192.2		(57.6		)	134.6		4 to 17 years
	$	1,406.2	$	(379.9	)	$	1,026.3	$	1,240.4	$	(323.2	)	$	917.2

Summary of Amortization Expense of Definite Lived Intangible Assets

Amortization expense for definite lived intangible assets was as follows:



	Three months ended June 30,				Nine months ended June 30,
	2015		2014		2015		2014
Customer relationships	$	12.9	$	11.7	$	37.0	$	35.0
Trade names	4.1		4.1		12.3		12.3
Technology assets	5.3		4.7		14.7		13.9
	$	22.3	$	20.5	$	64.0	$	61.2

Amortization expense for VOBA and DAC was as follows:



	Three months ended June 30,				Nine months ended June 30,
	2015		2014		2015		2014
Amortization expense for VOBA	$	23.6	$	10.8	$	37.6	$	34.9
Amortization expense for DAC	53.7		9.4		48.0		25.4

Estimated Amortization Expense for VOBA and DAC in Future Fiscal Periods

stimated amortization expense for VOBA in future fiscal periods is as follows:



	Estimated Amortization Expense
Fiscal Year	VOBA
2015	$	9.8
2016	37.1
2017	31.3
2018	25.2
2019	20.3
Thereafter	89.5

VOBA [Member]

Finite-Lived Intangible Assets [Line Items]

Effect of Reinsurance on Premiums Earned, Benefits Incurred and Reserve Changes

$ (23.6)

$ (10.8)

$ (37.6)

$ (34.9)

Debt (Tables)

9 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Summary of Debt

The Company’s consolidated debt consists of the following:



	June 30, 2015					September 30, 2014
	Amount			Rate		Amount			Rate		Interest rate
HRG
7.875% Senior Secured Notes, due July 15, 2019	$	864.4		7.9	%	$	604.4		7.9	%	Fixed rate
7.75% Senior Unsecured Notes, due January 15, 2022	890.0			7.8	%	750.0			7.8	%	Fixed rate
Spectrum Brands
Term Loan, due September 4, 2017 (Tranche A)*	—			—	%	648.4			3.0	%	Variable rate, see below
Term Loan, due September 4, 2019 (Tranche C)*	—			—	%	509.9			3.6	%	Variable rate, see below
Term Loan, due June 23, 2022**	1,450.0			3.8	%	—			—	%	Variable rate, see below
CAD Term Loan, due December 17, 2019*	—			—	%	34.2			5.1	%	Variable rate, see below
CAD Term Loan, due June 23, 2022**	60.9			4.5	%	—			—	%	Variable rate, see below
Euro Term Loan, due September 4, 2019 (Tranche A)*	—			—	%	283.3			3.8	%	Variable rate, see below
Euro Term Loan, due June 23, 2022**	336.2			3.5	%	—			—	%	Variable rate, see below
6.375% Senior Notes, due November 15, 2020	520.0			6.4	%	520.0			6.4	%	Fixed rate
6.625% Senior Notes, due November 15, 2022	570.0			6.6	%	570.0			6.6	%	Fixed rate
6.75% Senior Notes, due March 15, 2020	—			—	%	300.0			6.8	%	Fixed rate
6.125% Notes, due December 15, 2024	250.0			6.1	%	—			—	%	Fixed rate
5.75% Notes, due July 15, 2025	1,000.0			5.8	%	—			—	%	Fixed rate
Revolver Facility, expiring June 23, 2020	47.5			5.3	%	—			—	%	Variable rate, see below
Other notes and obligations	31.0			13.6	%	36.6			8.8	%	Various
Capitalized lease obligations	88.7			5.9	%	94.7			6.1	%	Various
FGL
6.375% Senior Notes, due April 1, 2021	300.0			6.4	%	300.0			6.4	%	Fixed rate
FGL Credit Agreement	—			5.3	%	—			5.3	%	Variable rate, see below
Compass
Compass Credit Agreement, due February 14, 2018	327.0			2.7	%	243.2			2.7	%	Variable rate, see below
Salus
Unaffiliated long-term debt of consolidated variable-interest entity	113.4			10.0	%	193.0			6.7	%	Variable rate, see below
Secured borrowings under non-qualifying loan participations	11.2			9.4	%	106.8			10.8	%	Fixed rate
Total	6,860.3					5,194.5
Original issuance discounts on debt, net of premiums	(27.6		)			(36.7		)
Total debt	6,832.7					5,157.8
Less current maturities and short-term debt	51.4					96.7
Non-current portion of debt	$	6,781.3				$	5,061.1

Reinsurance (Tables)

9 Months Ended

Jun. 30, 2015

Reinsurance Disclosures [Abstract]

The effect of reinsurance on premiums earned, benefits incurred and reserve changes for the three and nine months ended June 30, 2015 and 2014 were as follows:



	Three months ended June 30,												Nine months ended June 30,
	2015						2014						2015						2014
	Insurance premiums			Benefits and other changes in policy reserves			Insurance premiums			Benefits and other changes in policy reserves			Insurance premiums			Benefits and other changes in policy reserves			Insurance premiums			Benefits and other changes in policy reserves
Direct	$	68.2		$	144.1		$	65.6		$	324.0		$	195.5		$	698.2		$	200.3		$	876.8
Assumed	—			(43.9		)	8.8			12.0			17.4			(14.8		)	27.6			27.3
Ceded	(50.4		)	(43.9		)	(61.1		)	(70.9		)	(168.9		)	(190.4		)	(185.9		)	(207.8		)
Net	$	17.8		$	56.3		$	13.3		$	265.1		$	44.0		$	493.0		$	42.0		$	696.3

Stock Compensation (Tables)

9 Months Ended

Jun. 30, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Fair Value, Measurement Inputs, Disclosure [Text Block]



	2015	2014
Weighted average fair value per option granted	$4.23 - $5.02	$3.76
Risk-free interest rate	1.4%	1.4%
Assumed dividend yield	1.2%	1.5%
Expected option term	4.5 years	4.5 years
Volatility	25%	25%



	2015
Weighted average fair value per option granted	$2.53
Risk-free interest rate	0.2%
Assumed dividend yield	1.2%
Expected option term	0.75 years
Volatility	25%

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

A summary of warrants outstanding as of June 30, 2015 and related activity during the nine months then ended, under HRG's incentive plan are as follows (share amounts in thousands):



	HRG
Warrants	Units		Weighted Average Exercise Price		Weighted Average Grant Date Fair Value
Warrants outstanding at September 30, 2014	3,000		$	13.13	$	3.22
Forfeited	(600	)	13.13		3.22
Warrants outstanding at June 30, 2015	2,400		13.13		3.22
Warrants vested and exercisable at June 30, 2015	600		13.13		3.22
Warrants outstanding and expected to vest	1,800		13.13		3.22

Summary of Stock Options Outstanding and Related Activity



	HRG						FGH				FGL
Stock Option Awards	Options		Weighted Average Exercise Price		Weighted Average Grant Date Fair Value		Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
Stock options outstanding at September 30, 2014	4,624		$	8.14	$	3.28	225		$	46.19	242		$	17.00
Granted	900		13.27		5.19		—		—		206		24.40
Exercised	(600	)	6.54		2.54		(75	)	44.89		(3	)	17.00
Forfeited or expired	(204	)	10.87		4.44		(1	)	49.45		(16	)	20.81
Stock options outstanding at June 30, 2015	4,720		9.21		3.69		149		46.81		429		20.41
Stock options vested and exercisable at June 30, 2015	2,298		8.12		3.24		123		46.23		221		19.52
Stock options outstanding and expected to vest	2,422		10.24		4.12		25		46.79		199		20.41

Summary of Restricted Stock and Restricted Stock Units Outstanding and Related Activity



	HRG				FGL
Restricted Stock Awards	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Nonvested restricted stock outstanding at September 30, 2014	5,438		$	9.75	172		$	18.18
Granted	1,885		13.36		325		23.57
Exercised / Released	(2,710	)	8.92		(227	)	21.61
Forfeited	(343	)	11.44		(18	)	21.62
Restricted stock units released as restricted stock awards	7		11.84		—		—
Nonvested restricted stock outstanding at June 30, 2015	4,277		11.74		252		21.91



	HRG				Spectrum Brands				FGH
Restricted Stock Units	Units		Weighted Average Grant Date Fair Value		Units		Weighted Average Grant Date Fair Value		Units		Weighted Average Grant Date Fair Value
Restricted stock units outstanding at September 30, 2014	7		$	11.84	827		$	67.66	26		$	49.55
Granted	48		12.46		551		90.44		—		—
Exercised / Released	(7	)	11.84		(705	)	68.29		(14	)	49.55
Forfeited	—		—		(29	)	85.39		(1	)	49.45
Restricted stock units outstanding at June 30, 2015	48		12.46		644		85.65		11		49.57



	FGL
Performance Restricted Stock Units	Units		Weighted Average Grant Date Fair Value
Performance restricted stock units outstanding at September 30, 2014	578		$	17.37
Granted, including 8 additional units based on 2014 financial performance	40		20.36
Vested	(45	)	17.00
Forfeited	(72	)	17.00
Nonvested performance restricted stock units outstanding at June 30, 2015	501		17.69

Assumptions Used in Determination of Grant Date Fair Values Using Black-Scholes Option Pricing Model

The following assumptions were used in the determination of these grant date fair values for options awarded using the Black-Scholes option pricing model:



	2015	2014
Risk-free interest rate	1.57% to 1.87%	1.46% to 1.75%
Assumed dividend yield	—%	—%
Expected option term	5.0 to 6.5 years	5.3 to 6.0 years
Volatility	37.1% to 39.0%	41.2%

Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Summary of Basic and Diluted EPS

The following table sets forth the computation of basic and diluted earnings per share ("EPS") (share amounts in thousands):



	Three months ended June 30,					Nine months ended June 30,
	2015			2014		2015			2014
Net (loss) income attributable to common and participating preferred stockholders	$	(75.6	)	$	49.0	$	(413.7	)	$	(77.6	)

Participating common shares at end of period	197,083			201,043		197,083			201,043

Net (loss) income attributable to common shares - basic and diluted	$	(75.6	)	$	49.0	$	(413.7	)	$	(77.6	)

Weighted-average common shares outstanding - basic	196,878			172,967		197,920			150,675
Dilutive effect of unvested restricted stock and restricted stock units	—			3,798		—			—
Dilutive effect of stock options	—			1,281		—			—
Weighted-average shares outstanding - diluted	196,878			178,046		197,920			150,675

Net (loss) income per common share attributable to controlling interest:
Basic	$	(0.38	)	$	0.28	$	(2.09	)	$	(0.52	)
Diluted	$	(0.38	)	$	0.28	$	(2.09	)	$	(0.52	)

Related Party Transactions Schedule of related party investments (Tables)

9 Months Ended

Jun. 30, 2015

Related Party Transactions

The Company’s consolidated related party investments as of June 30, 2015 and September 30, 2014 are summarized as follows:



		June 30, 2015						September 30, 2014
Issuer	Balance Sheet Classification	Asset carrying value		Accrued Investment Income		Total carrying value		Asset carrying value		Accrued Investment Income		Total carrying value
Fortress	Fixed maturities	$	202.8	$	2.2	$	205.0	$	194.9	$	1.9	$	196.8

The Company's related net investment income for the three and nine months ended June 30, 2015 is summarized as follows:



		Three months ended				Nine months ended
Issuer	Investment Income Classification	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Fortress	Net investment income	$	1.9	$	0.9	$	6.2	$	0.9
Leucadia	Net investment income	—		1.3		—		1.3
Jefferies	Net investment income	—		0.9		—		2.6

’s consolidated related party investments as of June 30, 2015 and September 30, 2014 are summarized as follows:



		June 30, 2015						September 30, 2014
Issuer	Balance Sheet Classification	Asset carrying value		Accrued Investment Income		Total carrying value		Asset carrying value		Accrued Investment Income		Total carrying value
Fortress	Fixed maturities	$	202.8	$	2.2	$	205.0	$	194.9	$	1.9	$	196.8

The Company's related net investment income for the three and nine months ended June 30, 2015 is summarized as follows:



		Three months ended				Nine months ended
Issuer	Investment Income Classification	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Fortress	Net investment income	$	1.9	$	0.9	$	6.2	$	0.9
Leucadia	Net investment income	—		1.3		—		1.3
Jefferies	Net investment income	—		0.9		—		2.6

Segment Data (Tables)

9 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Segment Information

Accordingly, the Company currently operates its business in four reporting segments: (i) Consumer Products, (ii) Insurance, (iii)Energy and (iv) Asset Management.

The following schedules present the Company’s segment information for the three and nine months ended June 30, 2015 and 2014.



	Three months ended June 30,						Nine months ended June 30,
	2015			2014			2015			2014
Revenues:
Consumer Products	$	1,247.5		$	1,128.5		$	3,382.3		$	3,250.8
Insurance	253.3			419.5			725.1			1,066.7
Energy	24.3			37.6			84.6			112.3
Asset Management	7.2			11.3			20.3			25.6
Intersegment elimination (a)	19.0			(2.2		)	108.4			(9.5		)
Consolidated segment revenues	1,551.3			1,594.7			4,320.7			4,445.9
Corporate and Other	2.2			4.7			42.7			4.7
Total revenues	1,553.5			$	1,599.4		4,363.4			$	4,450.6

Operating income (loss):
Consumer Products	$	135.7		$	148.7		$	339.7		$	366.3
Insurance	90.9			108.6			53.7			220.2
Energy	(114.3		)	8.6			(470.6		)	(57.2		)
Asset Management	(14.2		)	3.1			(82.7		)	3.2
Intersegment elimination (a)	17.5			(2.0		)	66.8			(9.7		)
Total segment operating income (loss)	115.6			267.0			(93.1		)	522.8
Corporate and Other and eliminations	(41.1		)	(37.9		)	(189.4		)	(98.2		)
Consolidated operating income (loss)	74.5			229.1			(282.5		)	424.6
Interest expense	(154.0		)	(77.9		)	(320.1		)	(239.1		)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock	—			38.0			—			(12.7		)
Gain on contingent purchase price reduction	3.0			—			8.5			0.5
Other income (expense), net	36.8			6.0			223.3			(10.5		)
(Loss) income from continuing operations before income taxes	$	(39.7	)	$	195.2		$	(370.8	)	$	162.8



	Nine months ended June 30,
Net change in cash due to operating activities	2015			2014
Consumer Products	$	(158.8	)	$	(50.9	)
Insurance	82.7			279.4
Energy	9.8			34.8
Asset Management	(6.4		)	(1.2		)
Net change in cash due to segment operating activities	(72.7		)	262.1
Net change in cash due to corporate and other operating activities, including intersegment eliminations	(92.2		)	(97.7		)
Consolidated change in cash due to operating activities	$	(164.9	)	$	164.4

Consolidating Financial Information (Tables)

9 Months Ended

Jun. 30, 2015

Text Block [Abstract]

Schedule of Balance Sheet Information

HRG Group, Inc. - Condensed Consolidating Balance Sheets Information



June 30, 2015	Consumer Products		Insurance			Energy		Asset Management		Corporate and Other		Eliminations			Total
Assets:
Investments	$	—	$	19,423.7		$	—	$	303.4	$	41.9	$	(271.1	)	$	19,497.9
Investments in subsidiaries and affiliates	—		(66.3		)	—		—		2,239.9		(2,173.6		)	—
Affiliated loans and receivables	—		108.1			—		0.8		0.1		(109.0		)	—
Cash and cash equivalents	107.2		676.7			31.8		125.7		351.8		—			1,293.2
Receivables, net	721.4		0.4			21.4		1.1		10.4		—			754.7
Inventories, net	903.7		—			—		—		—		—			903.7
Accrued investment income	—		164.3			—		2.1		—		(0.6		)	165.8
Reinsurance recoverable	—		2,382.2			—		—		—		—			2,382.2
Deferred tax assets	44.9		229.8			—		0.1		1.1		—			275.9
Properties, including oil and natural gas properties, net	500.1		13.8			339.5		1.3		1.1		—			855.8
Goodwill	2,488.0		—			—		10.7		—		—			2,498.7
Intangibles, including DAC and VOBA, net	2,528.1		857.9			—		—		—		—			3,386.0
Other assets	178.8		733.4			2.1		7.2		34.6		—			956.1
Total assets	$	7,472.2	$	24,524.0		$	394.8	$	452.4	$	2,680.9	$	(2,554.3	)	$	32,970.0



Liabilities and Equity:
Insurance reserves	$	—	$	21,861.1	$	—		$	—		$	—	$	—		$	21,861.1
Debt	4,345.7		300.0		327.0			123.6			1,736.4		—			6,832.7
Accounts payable and other current liabilities	751.3		37.2		30.7			9.2			98.3		0.5			927.2
Employee benefit obligations	74.5		—		—			—			4.0		—			78.5
Deferred tax liabilities	601.9		—		—			—			1.1		8.7			611.7
Other liabilities	27.5		694.3		38.8			25.0			0.9		0.5			787.0
Affiliated debt and payables	—		0.9		100.0			311.0			0.5		(412.4		)	—
Total liabilities	5,800.9		22,893.5		496.5			468.8			1,841.2		(402.7		)	31,098.2
Total stockholders’ equity	935.8		1,329.7		(101.7		)	(12.2		)	839.7		(2,151.6		)	839.7
Noncontrolling interests	735.5		300.8		—			(4.2		)	—		—			1,032.1
Total permanent equity	1,671.3		1,630.5		(101.7		)	(16.4		)	839.7		(2,151.6		)	1,871.8
Total liabilities and equity	$	7,472.2	$	24,524.0	$	394.8		$	452.4		$	2,680.9	$	(2,554.3	)	$	32,970.0



September 30, 2014	Consumer Products		Insurance		Energy		Asset Management		Corporate and Other		Eliminations			Total
Assets:
Investments	$	—	$	18,820.7	$	—	$	584.6	$	93.7	$	(246.5	)	$	19,252.5
Investment in subsidiaries and affiliates	—		68.2		—		—		2,237.9		(2,306.1		)	—
Affiliated loans and receivables	—		157.2		—		28.5		—		(185.7		)	—
Cash and cash equivalents	194.6		633.8		14.2		53.5		423.1		—			1,319.2
Receivables, net	515.3		2.1		23.7		0.9		43.1		—			585.1
Inventories, net	624.5		—		—		—		10.7		—			635.2
Accrued investment income	—		181.8		—		3.7		—		(0.6		)	184.9
Reinsurance recoverable	—		2,397.6		—		—		—		—			2,397.6
Deferred tax assets	46.7		139.0		—		—		1.1		(0.1		)	186.7
Properties, including oil and natural gas properties, net	428.9		11.4		464.4		1.4		2.5		—			908.6
Goodwill	1,469.6		—		—		10.7		44.5		—			1,524.8
Intangibles, including DAC and VOBA, net	2,091.5		550.4		—		—		41.8		—			2,683.7
Other assets	141.9		233.6		2.5		9.2		34.7		—			421.9
Total assets	$	5,513.0	$	23,195.8	$	504.8	$	692.5	$	2,933.1	$	(2,739.0	)	$	30,100.2

Liabilities and Equity:
Insurance reserves	$	—	$	20,215.1	$	—	$	—	$	—	$	—		$	20,215.1
Debt	2,990.9		300.0		243.2		298.7		1,325.0		—			5,157.8
Accounts payable and other current liabilities	816.2		71.9		31.3		8.5		104.6		0.5			1,033.0
Employee benefit obligations	81.9		—		—		—		4.3		—			86.2
Deferred tax liabilities	516.0		—		—		—		17.2		0.1			533.3
Other liabilities	21.2		748.9		27.3		19.3		1.1		—			817.8
Affiliated debt and payables	—		7.8		102.3		286.5		34.8		(431.4		)	—
Total liabilities	4,426.2		21,343.7		404.1		613.0		1,487.0		(430.8		)	27,843.2
Temporary equity	—		—		—		—		—		—			—
Total stockholders’ equity	612.4		1,526.9		100.7		68.2		1,441.6		(2,308.2		)	1,441.6
Noncontrolling interests	474.4		325.2		—		11.3		4.5		—			815.4
Total permanent equity	1,086.8		1,852.1		100.7		79.5		1,446.1		(2,308.2		)	2,257.0
Total liabilities and equity	$	5,513.0	$	23,195.8	$	504.8	$	692.5	$	2,933.1	$	(2,739.0	)	$	30,100.2

Schedule of Income Statement Information

HRG Group, Inc. - Condensed Consolidating Statements of Operations Information



Nine months ended June 30, 2015	Consumer Products			Insurance			Energy			Asset Management			Corporate and Other			Eliminations			Total
Revenues:
Net consumer and other product sales	$	3,382.3		$	—		$	—		$	—		$	42.7		$	—		$	3,425.0
Oil and natural gas	—			—			84.6			—			—			—			84.6
Insurance premiums	—			44.0			—			—			—			—			44.0
Net investment income	—			678.3			—			20.2			—			(11.1		)	687.4
Net investment (losses) gains	—			(65.7		)	—			—			—			119.5			53.8
Insurance and investment product fees and other	—			68.5			—			0.1			—			—			68.6
Total revenues	3,382.3			725.1			84.6			20.3			42.7			108.4			4,363.4
Operating costs and expenses:
Cost of consumer products and other goods sold	2,179.4			—			—			—			30.9			—			2,210.3
Oil and natural gas direct operating costs	—			—			66.1			—			—			—			66.1
Benefits and other changes in policy reserves	—			493.0			—			—			—			—			493.0
Selling, acquisition, operating and general expenses	799.2			92.8			49.7			30.8			141.0			—			1,113.5
Impairments and bad debt expense	—			—			439.4			72.2			60.2			41.6			613.4
Amortization of intangibles	64.0			85.6			—			—			—			—			149.6
Total operating costs and expenses	3,042.6			671.4			555.2			103.0			232.1			41.6			4,645.9
Operating income (loss)	339.7			53.7			(470.6		)	(82.7		)	(189.4		)	66.8			(282.5		)
Equity in net losses of subsidiaries	—			(80.7		)	—			—			(247.1		)	327.8			—
Interest expense	(206.5		)	(17.8		)	(7.3		)	—			(88.5		)	—			(320.1		)
Affiliated interest expense	—			—			(6.8		)	(14.8		)	(2.9		)	24.5			—
Gain on contingent purchase price reduction	—			—			—			—			8.5			—			8.5
Other income (expense), net	(5.6		)	—			162.8			(1.4		)	71.5			(4.0		)	223.3
(Loss) income from continuing operations before income taxes	127.6			(44.8		)	(321.9		)	(98.9		)	(447.9		)	415.1			(370.8		)
Income tax expense	4.8			15.3			—			—			(13.2		)	7.6			14.5
Net (income) loss	122.8			(60.1		)	(321.9		)	(98.9		)	(434.7		)	407.5			(385.3		)
Less: Net income (loss) attributable to noncontrolling interest	51.3			17.1			(0.8		)	(18.2		)	(21.0		)	—			28.4
Net income (loss) attributable to controlling interest	$	71.5		$	(77.2	)	$	(321.1	)	$	(80.7	)	$	(413.7	)	$	407.5		$	(413.7	)



Nine months ended June 30, 2014	Consumer Products			Insurance			Energy			Asset Management			Corporate and Other			Eliminations			Total
Revenues:
Net consumer and other product sales	$	3,250.8		$	—		$	—		$	—		$	4.7		$	—		$	3,255.5
Oil and natural gas	—			—			112.3			—			—			—			112.3
Insurance premiums	—			42.0			—			—			—			—			42.0
Net investment income	—			602.9			—			25.6			—			(10.0		)	618.5
Net investment gains	—			366.9			—			—			—			0.5			367.4
Insurance and investment product fees and other	—			54.9			—			—			—			—			54.9
Total revenues	3,250.8			1,066.7			112.3			25.6			4.7			(9.5		)	4,450.6
Operating costs and expenses:
Cost of consumer products and other goods sold	2,092.9			—			—			—			3.5			—			2,096.4
Oil and natural gas operating costs	—			—			50.9			—			—			—			50.9
Benefits and other changes in policy reserves	—			696.3			—			—			—			—			696.3
Selling, acquisition, operating and general expenses	730.4			89.9			37.6			21.1			99.4			—			978.4
Impairments and bad debt expense	—			—			81.0			1.3			—			0.2			82.5
Amortization of intangibles	61.2			60.3			—			—			—			—			121.5
Total operating costs and expenses	2,884.5			846.5			169.5			22.4			102.9			0.2			4,026.0
Operating income (loss)	366.3			220.2			(57.2		)	3.2			(98.2		)	(9.7		)	424.6
Equity in net (loss) income of subsidiaries	—			(1.8		)	—			—			159.8			(158.0		)	—
Interest expense	(151.7		)	(16.9		)	(5.9		)	—			(64.6		)	—			(239.1		)
Affiliated interest expense	—			0.2			(6.8		)	(4.4		)	(0.5		)	11.5			—
Loss from the change in the fair value of the equity conversion feature of preferred stock	—			—			—			—			(12.7		)	—			(12.7		)
Gain on contingent purchase price reduction	—			—			—			—			0.5			—			0.5
Other income (expense), net	(4.4		)	—			(12.4		)	(0.7		)	11.1			(4.1		)	(10.5		)
(Loss) income from continuing operations before income taxes	210.2			201.7			(82.3		)	(1.9		)	(4.6		)	(160.3		)	162.8
Income tax expense	43.8			35.2			—			(0.1		)	—			(0.2		)	78.7
Net (loss) income	166.4			166.5			(82.3		)	(1.8		)	(4.6		)	(160.1		)	84.1
Less: Net income attributable to noncontrolling interest	69.0			19.7			—			—			(0.6		)	—			88.1
Net (loss) income attributable to controlling interest	97.4			146.8			(82.3		)	(1.8		)	(4.0		)	(160.1		)	(4.0		)
Less: Preferred stock dividends and accretion	—			—			—			—			73.6			—			73.6
Net (loss) income attributable to common and participating preferred stockholders	$	97.4		$	146.8		$	(82.3	)	$	(1.8	)	$	(77.6	)	$	(160.1	)	$	(77.6	)

Description of Business, Basis of Presentation and Recent Accounting Pronouncements - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended				0 Months Ended	6 Months Ended	9 Months Ended							9 Months Ended											0 Months Ended			3 Months Ended				9 Months Ended				0 Months Ended	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2015 Segment	Jun. 30, 2014	Sep. 30, 2014	Oct. 31, 2014 Compass Production Partners [Member]	Mar. 31, 2015 Compass Production Partners [Member]	Jun. 30, 2015 Compass Production Partners [Member]	Jun. 30, 2015 Spectrum Brands [Member] Six Point One Two Five Percentage Senior Notes [Member]	Mar. 31, 2015 Spectrum Brands [Member] Six Point One Two Five Percentage Senior Notes [Member]	Sep. 30, 2014 Spectrum Brands [Member] Six Point One Two Five Percentage Senior Notes [Member]	Jun. 30, 2015 Spectrum Brands [Member] Six Point Seven Five Percentage Senior Notes [Member]	Jun. 30, 2015 Spectrum Brands [Member] Five Point Seven Five Percentage Senior Notes [Member]	Sep. 30, 2014 Spectrum Brands [Member] Five Point Seven Five Percentage Senior Notes [Member]	Jun. 30, 2015 FOH [Member]	Jun. 30, 2015 HGI [Member] 7.875% Senior Secured Notes, due July 15, 2019 [Member]	May 19, 2015 HGI [Member] 7.875% Senior Secured Notes, due July 15, 2019 [Member]	Apr. 14, 2015 HGI [Member] 7.875% Senior Secured Notes, due July 15, 2019 [Member]	Jun. 30, 2015 HGI [Member] Seven Point Seven Five Percent Senior Unsecured Notes [Member]	May 19, 2015 HGI [Member] Seven Point Seven Five Percent Senior Unsecured Notes [Member]	Sep. 30, 2014 HGI [Member] Seven Point Seven Five Percent Senior Unsecured Notes [Member]	Dec. 31, 2014 Tell Manufacturing [Member]	Oct. 01, 2014 Tell Manufacturing [Member]	Oct. 31, 2014 Compass Production Partners [Member]	Oct. 06, 2014 Compass Production Partners [Member]	Nov. 03, 2014 Ability Re [Member]	Dec. 31, 2014 European IAMS and Eukanuba [Member]	Jan. 16, 2015 Salix Animal Health LLC [Member]	Jun. 30, 2015 AAG Acquisition [Member]	May 21, 2015 AAG Acquisition [Member]	May 21, 2015 Spectrum Brands [Member]	Apr. 06, 2011 Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2015 Severance Cost, one time payments [Member]	Jun. 30, 2015 Severance Cost, Accrued Bonus [Member]	Jun. 30, 2015 Severance Cost, Future Bonus [Member]	Jun. 30, 2015 Euro Member Countries, Euro Spectrum Brands [Member] Euro Term Loan, Due December 19, 2021 [Member] [Member]	Apr. 28, 2015 Common Stock [Member] Spectrum Brands [Member]	Jun. 30, 2015 OMGUK CARVM financing fee [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net																							$ 30,300,000					$ 148,300,000		$ 931,400,000
Proceeds from Legal Settlements																																						61,600,000
Business Acquisition Fair Value Of Contingent Purchase Price Consideration Reduction																																50,000,000
Legal Fees																																						7,600,000
Sales of Oil and Gas Prospects								19,200,000
Business Combination, Consideration Transferred						118,800,000	118,800,000																			19,200,000			931,400,000
Business Acquisition Percentage Of Equity Interests Acquired																								99.80%	25.50%						49.00%
Severance Costs																																	20,500,000	16,500,000	3,300,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill																							12,500,000				40,500,000	58,500,000		429,000,000
Long-term debt, interest rate									6.125%	6.125%	0.00%	6.75%	5.75%	0.00%		7.875%	7.875%		7.75%	7.75%	7.80%
Proceeds from Issuance of Common Stock																																					575,000,000
Debt Instrument, Interest Rate, Effective Percentage																	104.50%	104.50%		98.51%
Payments to Acquire Businesses, Gross																										17,900,000			1,400,000,000
Deconsolidation, Gain (Loss), Amount															38,500,000
Impaired Financing Receivable, Recorded Investment															16,300,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest																								465,700,000
Less: Preferred stock dividends and accretion	49,300,000			73,600,000
Long-term debt		6,860,300,000	6,860,300,000		5,194,500,000				250,000,000		0		1,000,000,000	0			160,000,000	100,000,000	890,000,000	140,000,000	750,000,000															150,000,000
Goodwill		2,498,700,000	2,498,700,000		1,524,800,000																	115,700,000	7,100,000				3,500,000	70,100,000		965,700,000
Asset-based loans		$ 490,000,000	$ 490,000,000		$ 811,600,000
Number of reporting segments		4	4

Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements (Details)	9 Months Ended
	Jun. 30, 2015
Spectrum Brands [Member]
Reserve Quantities [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	42.50%
FGL [Member]
Reserve Quantities [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.30%
Natural Gas [Member]
Reserve Quantities [Line Items]
Average Sales Prices	3.39
Oil [Member]
Reserve Quantities [Line Items]
Average Sales Prices	71.68
Natural Gas Liquids [Member]
Reserve Quantities [Line Items]
Average Sales Prices	27.58

Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements - Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended							9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015 Energy Segment [Member]	Jun. 30, 2015 Energy Segment [Member]	Jun. 30, 2014 Energy Segment [Member]	Jun. 30, 2015 FGL [Member]	Dec. 31, 2014 FGL [Member]	Apr. 06, 2011 FGL [Member]	Jun. 30, 2015 Raven Re [Member]	Sep. 30, 2014 Raven Re [Member]	Jun. 30, 2015 Natural Gas [Member]
Basis of Presentation [Line Items]
Average Sales Prices													3.39
Asset Impairment Charges	$ 113.9	$ (0.3)	$ 613.4	$ 82.5	$ 102.8	$ 439.4
Impairment of Proved Oil and Gas Properties			439.4	81.0			81.0
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								19.30%
Statutory Accounting Practices, Statutory Capital and Surplus, Balance											232.5	251.3
Statutory Accounting Practices, Permitted Practice, Change in Statutory Capital and Surplus											8.1	18.8
Statutory Accounting Practices, Non-Permitted Practice, Change in Statutory Capital and Surplus											(48.8)	(81.3)
Statutory Accounting Practices, Statutory Capital and Surplus, Change in Permitted Practice to Non-Permitted, Balance											191.7	188.8
Statutory Accounting Practices, Statutory Capital and Surplus, Increase (Decrease) as a Result of ReDomestication by Entity									19.7
Statutory Accounting Practices, Statutory Capital and Surplus, Unassigned Balance Netted Against Additional Paid in Capital										$ 805.8

Acquisitions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

0 Months Ended

6 Months Ended

0 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Sep. 30, 2014

Jun. 30, 2015

Minimum [Member]

Jun. 30, 2015

Maximum [Member]

Jun. 30, 2015

Trade Names [Member]

Minimum [Member]

Jun. 30, 2015

Trade Names [Member]

Maximum [Member]

Jun. 30, 2015

Technology assets [Member]

Minimum [Member]

Jun. 30, 2015

Technology assets [Member]

Maximum [Member]

Jun. 30, 2015

Customer Relationships [Member]

May 21, 2015

Customer Relationships [Member]

Jun. 30, 2015

Customer Relationships [Member]

Minimum [Member]

Jun. 30, 2015

Customer Relationships [Member]

Maximum [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Jun. 30, 2014

AAG Acquisition [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Jun. 30, 2014

AAG Acquisition [Member]

May 21, 2015

AAG Acquisition [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Customer Relationships [Member]

May 21, 2015

AAG Acquisition [Member]

Customer Relationships [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Customer Relationships [Member]

Minimum [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Customer Relationships [Member]

Maximum [Member]

Oct. 31, 2014

Compass Production Partners [Member]

Oct. 31, 2014

Compass Production Partners [Member]

Oct. 06, 2014

Compass Production Partners [Member]

Nov. 03, 2014

Ability Re [Member]

Oct. 31, 2014

General Partner [Member]

Dec. 31, 2014

Tell Manufacturing [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Trade Names [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Customer Relationships [Member]

Mar. 31, 2015

Tell Manufacturing [Member]

Customer Relationships [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Customer Relationships [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Customer Relationships [Member]

Minimum [Member]

Oct. 01, 2014

Tell Manufacturing [Member]

Customer Relationships [Member]

Maximum [Member]

Oct. 01, 2014

Cost Approach Valuation Technique [Member]

Tell Manufacturing [Member]

Oct. 01, 2014

Market Approach Valuation Technique [Member]

Tell Manufacturing [Member]

Jun. 30, 2015

Impairment, Trade Names [Member]

AAG Acquisition [Member]

Business Acquisition, Pro Forma Net Income (Loss)

$ (37.0)

$ 146.4

$ (392.7)

$ 81.1

$ 4.4

^[1]

$ 4.9

^[1]

$ (7.4)

^[1]

$ (3.0)

^[1]

$ 7.0

Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain

141.2

Proved Developed and Undeveloped Oil and Natural Gas Properties, Period Increase (Decrease)

145.4

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net

931.4

30.3

Fair Value Inputs, Long-term Revenue Growth Rate

2.00%

12.10%

2.50%

7.10%

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current

56.1

Business Combination, Consideration Transferred

931.4

19.2

Business Acquisition Percentage Of Equity Interests Acquired

99.80%

25.50%

100.00%

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unproved Oil and Natural Gas Properties

26.3

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Proved Developed and Undeveloped Oil and Natural Gas Properties

767.5

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable

23.2

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other

1.0

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligations

36.0

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment, Measurement Basis, Percentage of Total

97.00%

3.00%

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles

4.0

Retention Rate

95.00%

90.00%

Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent

35.00%

38.00%

Business Acquisition Contingent Consideration Key Assumptions Discount Rate

9.50%

20.00%

Acquired Finite-lived Intangible Asset, Residual Value

8.5

Finite-Lived Intangible Asset, Useful Life

2 years

20 years

3 years

13 years

4 years

17 years

2 years

20 years

15 years

13 years

Goodwill

2,498.7

1,524.8

965.7

115.7

7.1

Payments to Acquire Businesses, Gross

$ 1,400.0

$ 17.9

[1]

Acquisitions - Company's Pro Forma Results (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic net income per common share attributable to controlling interest:
Diluted (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)
Basic (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)
Revenues	$ 1,553.5	$ 1,599.4	$ 4,363.4	$ 4,450.6

Acquisitions Acquisition - Compass (Details) (USD $)
In Millions, unless otherwise specified

0 Months Ended

9 Months Ended

0 Months Ended

6 Months Ended

Oct. 31, 2014

Compass Production Partners [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Oct. 31, 2014

Compass Production Partners [Member]

Oct. 31, 2014

Compass Production Partners [Member]

Mar. 31, 2015

Compass Production Partners [Member]

Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain

$ 141.2

Proved Developed and Undeveloped Oil and Natural Gas Properties, Period Increase (Decrease)

145.4

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligations

(36.0)

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets Less Goodwill

466.5

Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value

(0.8)

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest

465.7

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other

(1.0)

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current

56.1

Business Combination, Consideration Transferred

118.8

Business Combination, Indemnification Assets, Amount as of Acquisition Date

346.9

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unproved Oil and Natural Gas Properties

26.3

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Proved Developed and Undeveloped Oil and Natural Gas Properties

767.5

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gathering Assets

20.8

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets

1.9

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable

(23.2)

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]



	Preliminary Valuation
Purchase price allocation	October 31, 2014
Assets acquired:
Current assets	$	56.1
Unproved oil and natural gas properties	26.3
Proved developed oil and natural gas properties	767.5
Gathering assets	20.8
Other non-current assets	1.9
Liabilities assumed:
Accounts payable	(23.2		)
Revenues and royalties payable	(18.9		)
Other current liabilities	(1.0		)
Long term debt, less current maturities	(327.0		)
Asset retirement obligations	(36.0		)
Total identifiable net assets	466.5
Non-controlling interests	(0.8		)
Total net assets acquired	$	465.7

Cash paid upon the acquisition of additional interest	$	118.8
Fair value of equity investment in Compass prior to acquisition	346.9
Total purchase price	$	465.7

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Revenues and Royalties Payable

(18.9)

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt

$ (327.0)

Acquisitions Acquisition - Tell Manufacturing (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2015	Sep. 30, 2014	Dec. 31, 2014 Tell Manufacturing [Member]	Oct. 01, 2014 Tell Manufacturing [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents				$ 1.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables				5.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory				7.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets				0.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				1.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				12.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				28.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				5.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets Less Goodwill				23.2
Goodwill	2,498.7	1,524.8	115.7	7.1
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net				$ 30.3

Acquisitions Acquisition - Ability Re (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended		6 Months Ended
	Nov. 03, 2014 Ability Re [Member]	Oct. 31, 2014 Ability Re [Member]	Mar. 31, 2015 Shaser [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities		$ 0.1
Payments to Acquire Businesses, Gross	17.9		(1.5)
Business Combination, Consideration Transferred, Other			2.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		8.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Funds Withheld		359.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets		368.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Insurance Reserves		346.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		1.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		348.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets Less Goodwill		19.2
Business Combination, Consideration Transferred	$ 19.2

Acquisitions Acquisition - European IAMS and Eukanuba (Details) (USD $)
In Millions, unless otherwise specified

9 Months Ended

0 Months Ended

9 Months Ended

0 Months Ended

9 Months Ended

0 Months Ended

3 Months Ended

9 Months Ended

0 Months Ended

3 Months Ended

6 Months Ended

9 Months Ended

0 Months Ended

3 Months Ended

6 Months Ended

Jun. 30, 2015

Sep. 30, 2014

Jan. 16, 2015

Salix Animal Health LLC [Member]

Jun. 30, 2015

Salix Animal Health LLC [Member]

Jan. 16, 2015

Salix Animal Health LLC [Member]

Dec. 31, 2014

European IAMS and Eukanuba [Member]

Jun. 30, 2015

European IAMS and Eukanuba [Member]

Dec. 31, 2014

European IAMS and Eukanuba [Member]

Jan. 16, 2015

Trade Names [Member]

Salix Animal Health LLC [Member]

Dec. 31, 2014

Trade Names [Member]

European IAMS and Eukanuba [Member]

Jun. 30, 2015

Minimum [Member]

Jun. 30, 2015

Maximum [Member]

Jun. 30, 2015

Customer Relationships [Member]

May 21, 2015

Customer Relationships [Member]

Jan. 16, 2015

Customer Relationships [Member]

Salix Animal Health LLC [Member]

Jan. 16, 2015

Customer Relationships [Member]

Salix Animal Health LLC [Member]

Dec. 31, 2014

Customer Relationships [Member]

European IAMS and Eukanuba [Member]

Jun. 30, 2015

Customer Relationships [Member]

Minimum [Member]

Jan. 16, 2015

Customer Relationships [Member]

Minimum [Member]

Salix Animal Health LLC [Member]

Dec. 31, 2014

Customer Relationships [Member]

Minimum [Member]

European IAMS and Eukanuba [Member]

Dec. 31, 2014

Customer Relationships [Member]

Minimum [Member]

European IAMS and Eukanuba [Member]

Mar. 31, 2015

Customer Relationships [Member]

Minimum [Member]

European IAMS and Eukanuba [Member]

Jun. 30, 2015

Customer Relationships [Member]

Maximum [Member]

Jan. 16, 2015

Customer Relationships [Member]

Maximum [Member]

Salix Animal Health LLC [Member]

Dec. 31, 2014

Customer Relationships [Member]

Maximum [Member]

European IAMS and Eukanuba [Member]

Dec. 31, 2014

Customer Relationships [Member]

Maximum [Member]

European IAMS and Eukanuba [Member]

Mar. 31, 2015

Customer Relationships [Member]

Maximum [Member]

European IAMS and Eukanuba [Member]

Jan. 16, 2015

Cost Approach Valuation Technique [Member]

Salix Animal Health LLC [Member]

Jan. 16, 2015

Market Approach Valuation Technique [Member]

Salix Animal Health LLC [Member]

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents

$ 0.5

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables

9.9

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The preliminary fair values recorded for the assets acquired and liabilities assumed for Salix were as follows:



	Preliminary Valuation
	January 16, 2014
Cash	$	0.5
Accounts receivable	9.9
Inventories	17.0
Prepaid expense	2.4
Property, plant and equipment, net	1.2
Intangible assets	58.5
Total assets acquired	89.5
Total liabilities assumed	11.3
Total identifiable net assets less goodwill	78.2
Goodwill	70.1
Total identifiable net assets	$	148.3

The preliminary fair values recorded for the assets acquired and liabilities assumed for European IAMS and Eukanuba were as follows:



	Preliminary Valuation
	December 31, 2014
Inventories	$	15.1
Prepaid expense	1.3
Other current assets	2.6
Property, plant and equipment, net	58.3
Intangible assets	40.5
Total assets acquired	117.8
Total liabilities assumed	5.6
Total identifiable net assets less goodwill	112.2
Goodwill	3.5
Total identifiable net assets	$	115.7

Technology Assets Acquired, Useful Life

17 years

8 years

Finite-Lived Intangible Asset, Useful Life

2 years

20 years

13 years

2 years

20 years

15 years

Acquired Technology Assets

2.1

3.6

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles

20.0

26.7

Fair Value Inputs, Long-term Revenue Growth Rate

0.00%

0.50%

12.10%

13.20%

Retention Rate

95.00%

92.50%

90.00%

100.00%

Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent

35.00%

38.00%

25.00%

Business Acquisition Contingent Consideration Key Assumptions Discount Rate

9.50%

12.00%

15.00%

13.00%

16.00%

Acquired Finite-lived Intangible Asset, Residual Value

1.0

34.0

10.2

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory

17.0

15.1

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets

2.4

1.3

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current

2.6

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment

1.2

58.3

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

58.5

40.5

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets

89.5

117.8

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities

11.3

5.6

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets Less Goodwill

78.2

112.2

Goodwill

2,498.7

1,524.8

70.1

3.5

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net

$ 148.3

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment, Measurement Basis, Percentage of Total

98.00%

2.00%

Acquisitions Acquisition - Salix (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended					9 Months Ended		0 Months Ended		3 Months Ended	0 Months Ended			9 Months Ended		0 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended			0 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended
	Jun. 30, 2015	Jan. 16, 2015 Salix Animal Health LLC [Member]	Dec. 31, 2014 European IAMS and Eukanuba [Member]	Jan. 16, 2015 Trade Names [Member] Salix Animal Health LLC [Member]	Dec. 31, 2014 Trade Names [Member] European IAMS and Eukanuba [Member]	Jun. 30, 2015 Customer Relationships [Member]	May 21, 2015 Customer Relationships [Member]	Jan. 16, 2015 Customer Relationships [Member] Salix Animal Health LLC [Member]	Jan. 16, 2015 Customer Relationships [Member] Salix Animal Health LLC [Member]	Dec. 31, 2014 Customer Relationships [Member] European IAMS and Eukanuba [Member]	Jan. 16, 2015 Trade Names [Member] Salix Animal Health LLC [Member]	Jan. 16, 2015 Non-Compete Agreement [Member] Salix Animal Health LLC [Member]	Jan. 16, 2015 Non-Compete Agreement [Member] Salix Animal Health LLC [Member]	Jun. 30, 2015 Minimum [Member]	Jun. 30, 2015 Minimum [Member] Customer Relationships [Member]	Jan. 16, 2015 Minimum [Member] Customer Relationships [Member] Salix Animal Health LLC [Member]	Dec. 31, 2014 Minimum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Dec. 31, 2014 Minimum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Mar. 31, 2015 Minimum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Jun. 30, 2015 Minimum [Member] Trade Names [Member]	Jun. 30, 2015 Maximum [Member]	Jun. 30, 2015 Maximum [Member] Customer Relationships [Member]	Jan. 16, 2015 Maximum [Member] Customer Relationships [Member] Salix Animal Health LLC [Member]	Dec. 31, 2014 Maximum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Dec. 31, 2014 Maximum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Mar. 31, 2015 Maximum [Member] Customer Relationships [Member] European IAMS and Eukanuba [Member]	Jun. 30, 2015 Maximum [Member] Trade Names [Member]
Business Acquisition [Line Items]
Acquired Technology Assets		$ 2.1	$ 3.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				20.0	26.7
Acquired Finite-lived Intangible Asset, Residual Value				$ 1.0					$ 34.0	$ 10.2			$ 1.4
Finite-Lived Intangible Asset, Useful Life								13 years			13 years	3 years		2 years	2 years			2 years		3 years	20 years	20 years			15 years		13 years
Fair Value Inputs, Long-term Revenue Growth Rate																0.00%	0.50%						12.10%	13.20%
Retention Rate							95.00%		92.50%									90.00%							100.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%					38.00%		38.00%		25.00%
Business Acquisition Contingent Consideration Key Assumptions Discount Rate						9.50%										12.00%			15.00%				13.00%			16.00%

Acquisitions Acquisition - AAG (Details) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Sep. 30, 2014

Jun. 30, 2015

AAG Acquisition [Member]

Jun. 30, 2014

AAG Acquisition [Member]

Jun. 30, 2015

AAG Acquisition [Member]

Jun. 30, 2014

AAG Acquisition [Member]

May 21, 2015

AAG Acquisition [Member]

May 21, 2015

Trade Names [Member]

AAG Acquisition [Member]

May 21, 2015

Licensing Agreements [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Customer Relationships [Member]

May 21, 2015

Customer Relationships [Member]

Jun. 30, 2015

Customer Relationships [Member]

AAG Acquisition [Member]

May 21, 2015

Customer Relationships [Member]

AAG Acquisition [Member]

May 21, 2015

Technology-Based Intangible Assets [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Minimum [Member]

Jun. 30, 2015

Minimum [Member]

Licensing Agreements [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Minimum [Member]

Customer Relationships [Member]

Jun. 30, 2015

Minimum [Member]

Customer Relationships [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Minimum [Member]

Technology-Based Intangible Assets [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Maximum [Member]

Jun. 30, 2015

Maximum [Member]

Licensing Agreements [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Maximum [Member]

Customer Relationships [Member]

Jun. 30, 2015

Maximum [Member]

Customer Relationships [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Maximum [Member]

Technology-Based Intangible Assets [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Interest Expense [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Acquisition-related Costs [Member]

AAG Acquisition [Member]

Jun. 30, 2015

Impairment, Trade Names [Member]

AAG Acquisition [Member]

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles

$ 299.0

$ 0

$ 45.0

Finite-Lived Intangible Asset, Useful Life

15 years

2 years

8 years

2 years

8 years

20 years

10 years

20 years

10 years

Payments to Acquire Businesses, Gross

1,400.0

Business Combination, Consideration Transferred, Other

71.4

Sales Revenue, Goods, Net

1,249.7

1,133.2

3,425.0

3,255.5

Business Acquisition, Pro Forma Revenue

1,337.8

1,290.3

3,700.9

3,563.3

88.1

157.1

275.9

307.8

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents

30.9

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables

156.1

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory

84.5

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment

42.2

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill

429.0

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets

26.0

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets

768.7

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities

803.0

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net

(34.3)

Goodwill

2,498.7

1,524.8

965.7

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net

931.4

Net (loss) income

(41.4)

141.5

(385.3)

84.1

Business Acquisition, Pro Forma Net Income (Loss)

(37.0)

146.4

(392.7)

81.1

4.4

^[1]

4.9

^[1]

(7.4)

^[1]

(3.0)

^[1]

35.7

25.2

7.0

Business Combination, Consideration Transferred, Liabilities Incurred

(540.0)

Business Combination, Consideration Transferred

$ 931.4

Fair Value Inputs, Long-term Revenue Growth Rate

2.00%

12.10%

Retention Rate

95.00%

Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent

35.00%

38.00%

Business Acquisition Contingent Consideration Key Assumptions Discount Rate

9.50%

[1]

Investments - Available-for-Sale Securities (Detail) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Mar. 31, 2015

Sep. 30, 2014

Mar. 31, 2014

Sep. 30, 2013

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

Jun. 30, 2015

$ 1,148.1

$ 930.6

$ 1,148.1

$ 930.6

$ 1,222.9

$ 1,066.0

$ 755.6

$ 523.5

(13.8)

1.5

(4.9)

2.1

Available-for-sale Debt Securities, Amortized Cost Basis

19,497.9

19,252.5

17,388.5

Total investments, Cost or Amortized Cost

19,112.6

18,409.8

Investments, Unrealized Losses

(321.4)

(158.4)

Investments, Unrealized Gains

706.7

1,001.1

Total investment, Estimated Fair Value

19,497.9

19,252.5

(24.1)

15.9

4.3

20.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

191.0

186.8

425.3

1.6

1.0

1.6

1.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

53.4

13.5

87.1

15.9

18.1

^[1]

(18.9)

^[2]

(15.4)

^[3]

(23.9)

^[4]

Asset-backed Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

33.1

5.9

33.1

5.9

34.3

37.0

10.7

5.0

0.1

(0.1)

(0.3)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

6.7

5.0

0.1

0.2

(1.0)

^[3]

(4.8)

^[2]

(10.4)

^[3]

(3.8)

^[4]

Commercial Mortgage Backed Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

140.1

83.9

140.1

83.9

142.5

83.1

5.7

(1.9)

0.1

0.4

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

83.8

57.7

83.8

0.5

1.1

(6.0)

^[4]

Corporate Debt Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

916.9

745.2

916.9

745.2

941.1

850.0

657.0

461.1

2.3

(20.0)

14.4

3.3

18.4

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

88.9

122.4

283.2

1.6

1.0

1.6

1.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

2.6

35.4

2.4

(14.1)

^[2]

(24.1)

^[3]

(14.1)

^[4]

Municipals [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

37.5

36.5

37.5

36.5

39.8

37.2

35.6

(2.1)

0.9

0.7

1.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

35.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

0.2

0.4

^[1]

^[3]

Non Agency Residential Mortgage Backed Securities [Member]

Unrealized gains included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities

0.9

Unrealized losses included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities

(1.9)

Other Marketable Securities, Current

15,964.0

15,009.3

Equity Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

6.0

10.8

10.7

Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax

1.2

1.3

46.1

31.2

Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax

(4.4)

(50.0)

Available-for-sale Securities, Equity Securities

621.5

768.1

Available-for-sale Equity Securities, Amortized Cost Basis

621.5

768.1

579.8

786.9

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

1.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

13.5

^[1]

^[2]

^[3]

^[4]

Equity Securities [Member] | Equity Securities Available For Sale [Member]

Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax

22.9

23.0

Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax

(4.4)

(5.1)

Available-for-sale Securities, Equity Securities

579.6

663.6

Available-for-sale Equity Securities, Amortized Cost Basis

579.6

663.6

561.1

645.7

Equity Securities [Member] | Held for trading [Member]

Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax

23.2

8.2

Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax

(44.9)

Available-for-sale Securities, Equity Securities

41.9

104.5

Available-for-sale Equity Securities, Amortized Cost Basis

41.9

104.5

18.7

141.2

Fixed-maturity securities, available-for-sale [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

613.6

846.5

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(278.5)

(103.7)

17,723.6

17,211.5

Available-for-sale Debt Securities, Amortized Cost Basis

17,723.6

17,211.5

17,388.5

16,468.7

Fixed-maturity securities, available-for-sale [Member] | Asset-backed Securities [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

4.9

10.9

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(24.1)

(18.8)

1,887.5

1,792.9

Available-for-sale Debt Securities, Amortized Cost Basis

1,887.5

1,792.9

1,906.7

1,800.8

Fixed-maturity securities, available-for-sale [Member] | Commercial Mortgage Backed Securities [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

14.4

21.3

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(7.0)

(2.0)

821.6

636.9

Available-for-sale Debt Securities, Amortized Cost Basis

821.6

636.9

814.2

617.6

Fixed-maturity securities, available-for-sale [Member] | Corporate Debt Securities [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

346.2

499.2

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(173.6)

(48.9)

9,551.1

9,795.8

Available-for-sale Debt Securities, Amortized Cost Basis

9,551.1

9,795.8

9,378.5

9,345.5

Fixed-maturity securities, available-for-sale [Member] | Hybrids [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

46.4

52.2

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(28.9)

(15.2)

1,241.1

1,316.1

Available-for-sale Debt Securities, Amortized Cost Basis

1,241.1

1,316.1

1,223.6

1,279.1

Fixed-maturity securities, available-for-sale [Member] | Municipals [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

91.9

116.2

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(19.8)

(6.3)

1,450.6

1,259.8

Available-for-sale Debt Securities, Amortized Cost Basis

1,450.6

1,259.8

1,378.5

1,149.9

Fixed-maturity securities, available-for-sale [Member] | Agency residential mortgage-backed securities [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

100.6

140.3

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(24.7)

(11.1)

2,175.4

2,114.0

Available-for-sale Debt Securities, Amortized Cost Basis

2,175.4

2,114.0

2,099.5

1,984.8

Fixed-maturity securities, available-for-sale [Member] | U.S. Government securities [Member]

Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax

9.2

6.4

Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax

(0.4)

(1.4)

596.3

296.0

Available-for-sale Debt Securities, Amortized Cost Basis

596.3

296.0

587.5

291.0

Derivative Financial Instruments, Assets [Member]

211.9

177.7

Other Investments Gross Unrealized Gain

220.4

296.3

47.0

123.3

Other Short Term Investments Gross Unrealized Losses

(38.5)

(4.7)

Asset based loan receivables [Member]

490.0

811.6

490.0

811.6

Other Invested Assets [Member]

164.9

Other Investments Gross Unrealized Gain

165.0

0.1

Other Invested Assets [Member] | Other Investments Asset [Member] | All Other Securities [Member]

442.4

Other Investments Gross Unrealized Gain

442.4

Other Short Term Investments Gross Unrealized Losses

$ 0

[1]	(a) During the three months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[2]	(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.
[3]	(a) During the nine months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[4]	(a) The net transfers out of Level 3 for the nine months ended June 30, 2014 were exclusively to Level 2. There was a $6.0 transfer to asset-backed securities from commercial mortgage-backed securities, the remaining transfers were from Level 3 to Level 2.

Investments - Additional Information (Detail) (USD $)

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Sep. 30, 2014

Schedule of Available-for-sale Securities [Line Items]

Jun. 30, 2015

$ 534,400,000

$ 818,800,000

6,860,300,000

5,194,500,000

Industry holdings, number of top investments

490,000,000

811,600,000

Equity Securities Holdings Exposure Amount of Single Issuer Greater than Stated Percentage of Total Investments

40.30%

19,497,900,000

19,252,500,000

Commercial Mortgage Receivable, Percentage of Total

403,900,000

136,200,000

100.00%

Financing Receivable, Recorded Investment, Past Due

403,900,000

136,200,000

Financing Receivable, Allowance for Credit Losses, Write-downs

76,600,000

Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease)

(37,200,000)

Provision for Loan, Lease, and Other Losses

10,600,000

(300,000)

113,800,000

1,500,000

Non Agency Residential Mortgage Backed Securities [Member]

Schedule of Available-for-sale Securities [Line Items]

Unrealized gains included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities

900,000

Unrealized losses included in AOCI related to the non-credit portion of other than-temporary impairments on non-agency residential-mortgage-backed securities

(1,900,000)

Other Marketable Securities, Current

15,964,000,000

15,009,300,000

Fidelity And Guaranty Life Holdings [Member] | Stockholders' Equity, Total [Member]

Schedule of Available-for-sale Securities [Line Items]

Fair value of investment

1,513,500,000

768,500,000

Percentage of fair value of the invested assets portfolio

7.80%

4.00%

Investment in issuers

Investment Income [Member]

Schedule of Available-for-sale Securities [Line Items]

Available-for-sale Securities, Gross Realized Losses

(6,200,000)

(1,700,000)

(50,700,000)

(4,200,000)

Available for sale securities on fixed maturity

1,863,900,000

1,724,600,000

3,669,700,000

4,352,500,000

Available-for-sale Securities, Gross Realized Gains

59,800,000

74,600,000

79,600,000

96,800,000

Concentration [Member]

Schedule of Available-for-sale Securities [Line Items]

Investment Securities Held by Subsidiaries Subject to Specialized Industry Accounting Principles at Fair Value

1,982,000,000

2,240,300,000

Percentage of fair value of the invested assets portfolio

10.20%

11.60%

Number Of Issuers In Investment

Concentration [Member] | Fidelity And Guaranty Life Holdings [Member]

Schedule of Available-for-sale Securities [Line Items]

Fair value of investment

175,100,000

250,000,000

Percentage of fair value of the invested assets portfolio

0.90%

1.30%

Insurance Segment [Member]

Schedule of Available-for-sale Securities [Line Items]

Fair value on securities

66,700,000

200,000

Percentage of amortized cost

20.00%

Percentage of carrying values of all investments (less than 1%)

1.00%

FHLB of Atlanta Funding Agreement Collateral Held [Member]

Schedule of Available-for-sale Securities [Line Items]

Investment Owned, at Fair Value

540,000,000

573,200,000

Fixed Maturities Available For Sale [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

17,723,600,000

17,211,500,000

Fixed Maturities Available For Sale [Member] | Asset-backed Securities [Member]

Schedule of Available-for-sale Securities [Line Items]

1,887,500,000

1,792,900,000

Commercial Mortgage Loan [Member]

Loans and Leases Receivable, Ratio of Performing Loans to All Loans

75.00%

Loan to Value, Maximum Threshold

100.00%

Investments, Cost or Amortized, Percentage of Total

0.00%

Industrial Property [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

9,200,000

2.20%

0.00%

Warehouse [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

66,900,000

48,000,000

16.60%

35.20%

Office Building [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

128,900,000

44,600,000

31.90%

32.70%

Retail Site [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

128,900,000

5,800,000

31.90%

4.30%

East North Central US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

113,300,000

27,800,000

28.10%

20.40%

Middle Atlantic US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

81,300,000

10,900,000

20.10%

8.00%

Pacific US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

81,200,000

61,500,000

20.10%

45.10%

South Atlantic US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

55,700,000

13.80%

0.00%

West North Central US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

5,600,000

5,800,000

1.40%

4.30%

West South Central US [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

19,600,000

30,200,000

4.90%

22.20%

Greater Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

383,600,000

135,400,000

Greater Than One But Less Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

19,600,000

Ratio Not Available [Member]

Schedule of Available-for-sale Securities [Line Items]

700,000

^[1]

700,000

^[1]

800,000

^[1]

LTV Less Than 50 Percent [Member]

Commercial Mortgage Receivable, Percentage of Total

93,900,000

45,400,000

23.30%

33.30%

LTV Less Than 50 Percent [Member] | Greater Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

93,200,000

44,600,000

LTV Less Than 50 Percent [Member] | Greater Than One But Less Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

LTV Less Than 50 Percent [Member] | Ratio Not Available [Member]

Schedule of Available-for-sale Securities [Line Items]

700,000

^[1]

700,000

^[1]

800,000

^[1]

LTV 50 to 60 Percent [Member]

Commercial Mortgage Receivable, Percentage of Total

148,000,000

19,900,000

36.60%

14.60%

LTV 50 to 60 Percent [Member] | Greater Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

128,400,000

19,900,000

LTV 50 to 60 Percent [Member] | Greater Than One But Less Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

19,600,000

LTV 50 to 60 Percent [Member] | Ratio Not Available [Member]

Schedule of Available-for-sale Securities [Line Items]

^[1]

LTV 60 to 75 Percent [Member]

Commercial Mortgage Receivable, Percentage of Total

162,000,000

70,900,000

40.10%

52.10%

LTV 60 to 75 Percent [Member] | Greater Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

162,000,000

70,900,000

LTV 60 to 75 Percent [Member] | Greater Than One But Less Than One Point Two Five [Member]

Schedule of Available-for-sale Securities [Line Items]

LTV 60 to 75 Percent [Member] | Ratio Not Available [Member]

Schedule of Available-for-sale Securities [Line Items]

^[1]

Estimate of Fair Value Measurement [Member]

490,000,000

^[2]

490,000,000

^[2]

151,700,000

^[2]

Commercial Mortgage Receivable, Percentage of Total

403,900,000

136,200,000

100.00%

Estimate of Fair Value Measurement [Member] | LTV Less Than 50 Percent [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

93,900,000

45,400,000

23.30%

33.30%

Estimate of Fair Value Measurement [Member] | LTV 50 to 60 Percent [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

148,000,000

19,900,000

36.60%

14.60%

Estimate of Fair Value Measurement [Member] | LTV 60 to 75 Percent [Member]

Schedule of Available-for-sale Securities [Line Items]

Commercial Mortgage Receivable, Percentage of Total

162,000,000

70,900,000

40.10%

52.10%

Financing Receivables, 1 to 29 Days Past Due [Member]

Schedule of Available-for-sale Securities [Line Items]

Financing Receivable, Recorded Investment, Past Due

403,900,000

Radioshack [Member] | Salus Capital Partners L L C [Member]

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities [Line Items]

250,000,000

Radioshack [Member] | Insurance And Financial Services [Member]

Schedule of Available-for-sale Securities [Line Items]

150,000,000

Non-Qualifying Participation [Member] | Radioshack [Member]

Schedule of Available-for-sale Securities [Line Items]

100,000,000

Countrywide Mortgage Finance Settlement [Member]

Litigation Settlement, Amount

18,600,000

Countrywide Mortgage Finance Settlement [Member] | Minimum [Member]

Schedule of Available-for-sale Securities [Line Items]

Litigation Settlement, Amount

15,000,000

Countrywide Mortgage Finance Settlement [Member] | Maximum [Member]

Schedule of Available-for-sale Securities [Line Items]

Litigation Settlement, Amount

20,000,000

Doubtful [Member]

Schedule of Available-for-sale Securities [Line Items]

Financing Receivable, Recorded Investment [Line Items]

$ 91,300,000

[1]	(a) N/A - Current financial information not available.
[2]	(a)The carrying amounts of trade receivables, accounts payable, accrued investment income and portions of other insurance liabilities approximate fair value due to their short duration and, accordingly, they are not presented in the tables above.

Investments - Amortized Cost and Fair Value of Fixed Maturity Available-for-Sale Securities (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2015 Commercial Mortgage Backed Securities [Member]	Jun. 30, 2015 Structured hybrids [Member]	Jun. 30, 2015 Agency residential mortgage-backed securities [Member]	Sep. 30, 2014 Other Invested Assets [Member]	Jun. 30, 2015 Non-structured Hybrids [Member] Corporate [Member] Municipal [Member] U.S. Government securities [Member]	Jun. 30, 2015 Other Investments Asset [Member] Other Invested Assets [Member] All Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Document Period End Date	Jun. 30, 2015
Trading Securities, Cost					$ 164.9		$ 442.4
Due in one year or less, Amortized Cost						203.2
Due after one year through five years, Amortized Cost						2,113.2
Due after five years through ten years, Amortized Cost						2,955.1
Due after ten years, Amortized Cost						6,623.3
Subtotal, Amortized Cost						11,894.8
Other securities which provide for periodic payments, Amortized Cost		814.2	673.3	2,099.5
Total fixed maturity available-for-sale securities, Amortized Cost	17,388.5
Due in one year or less, Fair Value						205.7
Due after one year through five years, Fair Value						2,153.2
Due after five years through ten years, Fair Value						3,015.0
Due after ten years, Fair Value						6,804.1
Subtotal, Fair Value						12,178.0
Other securities which provide for periodic payments, Fair Value		821.6	661.1	2,175.4
Total fixed maturity available-for-sale securities, Fair Value	17,723.6
Other Investments Gross Unrealized Gain					0.1		0
Other Short Term Investments Gross Unrealized Losses							0
Trading Securities					$ 165.0		$ 442.4

Investments - Portfolio of Asset-Backed Loans and Other Invested Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Sep. 30, 2014	Mar. 31, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Document Period End Date			Jun. 30, 2015
Asset-backed loans, by major industry:
Total asset-backed loans	$ 534.4		$ 534.4			$ 818.8
Less: Allowance for credit losses	44.4		44.4			7.2
Total asset-backed loans, net	490.0		490.0			811.6
Financing Receivable, Allowance for Credit Losses	44.4	6.7	44.4	6.7	33.8	7.2	7.0	5.2
Provision for Loan, Lease, and Other Losses	10.6	(0.3)	113.8	1.5
Apparel [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	171.2		171.2			191.6
Jewelry [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	81.4		81.4			100.1
Home Furnishings [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	55.8		55.8			71.7
Manufacturing [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	49.8		49.8			56.9
Other [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	105.4		105.4			153.1
Electronics [Member]
Asset-backed loans, by major industry:
Total asset-backed loans	$ 70.8		$ 70.8			$ 245.4

Investments - Schedule of Credit Quality of Asset-Based Loan Portfolio (Detail) (USD $)
In Millions, unless otherwise specified

Jun. 30, 2015

Sep. 30, 2014

Commercial Mortgage Receivable, Percentage of Total

$ 403.9

$ 136.2

100.00%

534.4

818.8

Substandard [Member]

271.5

250.8

Doubtful [Member]

91.3

Special Mention [Member]

44.9

372.7

Pass [Member]

Financing Receivable, Recorded Investment [Line Items]

126.7

195.3

LTV Less Than 50 Percent [Member]

Commercial Mortgage Receivable, Percentage of Total

93.9

45.4

23.30%

33.30%

LTV 50 to 60 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Commercial Mortgage Receivable, Percentage of Total

148.0

19.9

36.60%

14.60%

LTV 60 to 75 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Commercial Mortgage Receivable, Percentage of Total

162.0

70.9

40.10%

52.10%

Greater Than One Point Two Five [Member]

Financing Receivable, Recorded Investment [Line Items]

Financing Receivable, Recorded Investment [Line Items]

383.6

135.4

Greater Than One Point Two Five [Member] | LTV Less Than 50 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

93.2

44.6

Greater Than One Point Two Five [Member] | LTV 50 to 60 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

128.4

19.9

Greater Than One Point Two Five [Member] | LTV 60 to 75 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

162.0

70.9

Greater Than One But Less Than One Point Two Five [Member]

Financing Receivable, Recorded Investment [Line Items]

19.6

Greater Than One But Less Than One Point Two Five [Member] | LTV Less Than 50 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Greater Than One But Less Than One Point Two Five [Member] | LTV 50 to 60 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

19.6

Greater Than One But Less Than One Point Two Five [Member] | LTV 60 to 75 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Ratio Not Available [Member]

Financing Receivable, Recorded Investment [Line Items]

0.7

^[1]

0.8

^[1]

Ratio Not Available [Member] | LTV Less Than 50 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

0.7

^[1]

0.8

^[1]

Ratio Not Available [Member] | LTV 50 to 60 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

^[1]

Ratio Not Available [Member] | LTV 60 to 75 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

^[1]

Estimate of Fair Value Measurement [Member]

Commercial Mortgage Receivable, Percentage of Total

403.9

136.2

100.00%

Estimate of Fair Value Measurement [Member] | LTV Less Than 50 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Commercial Mortgage Receivable, Percentage of Total

93.9

45.4

23.30%

33.30%

Estimate of Fair Value Measurement [Member] | LTV 50 to 60 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Commercial Mortgage Receivable, Percentage of Total

148.0

19.9

36.60%

14.60%

Estimate of Fair Value Measurement [Member] | LTV 60 to 75 Percent [Member]

Financing Receivable, Recorded Investment [Line Items]

Commercial Mortgage Receivable, Percentage of Total

$ 162.0

$ 70.9

40.10%

52.10%

[1]	(a) N/A - Current financial information not available.

Investments - Net Investment Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of Investments [Line Items]
Gross investment income	$ 236.8	$ 217.7	$ 701.7	$ 632.8
External investment expense	(5.2)	(6.8)	(14.3)	(14.3)
Net investment income	231.6	210.9	687.4	618.5
Fixed maturity available-for-sale securities [Member]
Schedule of Investments [Line Items]
Gross investment income	209.6	192.1	623.8	568.1
Equity available-for-sale securities [Member]
Schedule of Investments [Line Items]
Gross investment income	10.2	7.1	27.9	16.7
Asset based loan receivables [Member]
Schedule of Investments [Line Items]
Gross investment income	9.7	16.7	36.2	44.5
Other investments [Member]
Schedule of Investments [Line Items]
Gross investment income	$ 7.3	$ 1.8	$ 13.8	$ 3.5

Investments - Net Investment Gains (Losses) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Gain (Loss) on Investments [Abstract]
Net realized gains on fixed maturity available-for-sale securities	$ 54.6	$ 74.4	$ 60.5	$ 92.1
Realized gains on equity securities	(1.5)	3.0	(4.7)	13.8
Net realized gains on securities	53.1	77.4	55.8	105.9
Realized gains (losses) on certain derivative instruments	41.0	62.7	129.2	173.3
Unrealized gains on certain derivative instruments	(48.6)	38.9	(99.3)	78.2
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	(0.5)	0.3	0.5	0.3
Change in fair value of derivatives	(8.1)	101.9	30.4	251.8
Realized gains on other invested assets	(39.3)	5.3	(32.4)	9.7
Net investment gains (losses)	$ 5.7	$ 184.6	$ 53.8	$ 367.4

Investments - Cash Flows from Consolidated Investing Activities by Security (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Gain (Loss) on Investments [Line Items]
Proceeds from investments sold, matured or repaid	$ 4,162.1	$ 4,754.5
Cost of investments acquired	(4,965.6)	(5,929.7)
Available-for-sale Securities [Member]
Gain (Loss) on Investments [Line Items]
Proceeds from investments sold, matured or repaid		4,402.1
Cost of investments acquired	(4,495.3)	(5,594.5)
Trading Securities [Member]
Gain (Loss) on Investments [Line Items]
Proceeds from investments sold, matured or repaid	0	54.9
Cost of investments acquired	0	(67.8)
Derivative and other [Member]
Gain (Loss) on Investments [Line Items]
Proceeds from investments sold, matured or repaid	301.5	297.5
Cost of investments acquired	(470.3)	(267.4)
Investment Income [Member] \| Available-for-sale Securities [Member]
Gain (Loss) on Investments [Line Items]
Proceeds from investments sold, matured or repaid	$ 3,860.6

Derivative Financial Instruments - Fair Value of Outstanding Derivative Contracts in Condensed Consolidated Balance Sheets (Detail) (USD $)
In Millions, unless otherwise specified

9 Months Ended

Jun. 30, 2015

Sep. 30, 2014

Jun. 30, 2015

$ 220.4

$ 296.3

442.4

165.0

Call options [Member]

220.1

7,602.6

Derivatives designated as hedging instruments [Member]

6.2

14.2

4.6

1.9

Derivatives designated as hedging instruments [Member] | Interest Rate Contract [Member] | Other assets [Member]

0.6

Derivatives designated as hedging instruments [Member] | Interest Rate Contract [Member] | Accounts payable and other current liabilities [Member]

1.8

Derivatives designated as hedging instruments [Member] | Interest Rate Contract [Member] | Other liabilities [Member]

0.4

Derivatives designated as hedging instruments [Member] | Commodity swap and option agreements [Member] | Receivables, net [Member]

1.3

Derivatives designated as hedging instruments [Member] | Foreign exchange forward agreements [Member] | Other assets [Member]

0.3

Derivatives designated as hedging instruments [Member] | Foreign Exchange Contract [Member] | Receivables, net [Member]

5.9

12.0

Derivatives designated as hedging instruments [Member] | Foreign Exchange Contract [Member] | Other liabilities [Member]

0.4

Derivatives designated as hedging instruments [Member] | Foreign Exchange Contract [Member] | Accounts Payable and Accrued Liabilities [Member]

0.4

Derivatives designated as hedging instruments [Member] | Commodity contracts [Member] | Accounts payable and other current liabilities [Member]

1.5

0.1

Derivatives designated as hedging instruments [Member] | Commodity contracts [Member] | Other liabilities [Member]

0.1

Not Designated as Hedging Instrument [Member]

248.6

324.1

2,178.5

1,910.9

Not Designated as Hedging Instrument [Member] | Foreign exchange forward agreements [Member] | Accounts payable and other current liabilities [Member]

0.2

0.1

Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Receivables, net [Member]

0.5

Not Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Receivables, net [Member]

1.9

Not Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Derivatives For Trading And Investment [Member]

10.3

Not Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Other liabilities [Member]

0.3

Not Designated as Hedging Instrument [Member] | Call options [Member] | Derivatives For Trading And Investment [Member]

220.1

296.3

Not Designated as Hedging Instrument [Member] | FIA embedded derivatives [Member] | Contractholder funds [Member]

2,173.7

1,908.1

Not Designated as Hedging Instrument [Member] | Futures contracts [Member] | Derivatives For Trading And Investment [Member]

0.3

Not Designated as Hedging Instrument [Member] | Futures contracts [Member] | Other liabilities [Member]

0.5

Not Designated as Hedging Instrument [Member] | Embedded Derivative Financial Instruments [Member] | Derivatives For Trading And Investment [Member]

11.7

11.2

Fair Value, Measurements, Recurring [Member]

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

41.5

641.7

^[1]

154.4

^[1]

19,238.2

18,501.7

2,773.1

2,062.2

Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]

0.6

Fair Value, Measurements, Recurring [Member] | Commodity Option [Member]

10.3

3.2

1.6

0.4

Fair Value, Measurements, Recurring [Member] | Foreign exchange forward agreements [Member]

12.8

1.0

0.5

Fair Value, Measurements, Recurring [Member] | Call options [Member]

220.4

296.3

Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member]

579.6

663.6

Fair Value, Measurements, Recurring [Member] | Fixed Index Annuity [Member]

2,173.7

1,908.1

Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]

2.2

1.8

Level 1 [Member] | Fair Value, Measurements, Recurring [Member]

45.8

^[1]

527.8

279.3

Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member]

26.7

59.2

Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

595.9

^[1]

154.4

^[1]

17,562.3

17,156.4

4.8

2.8

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]

0.6

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Option [Member]

10.3

3.2

1.6

0.4

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign exchange forward agreements [Member]

12.8

1.0

0.5

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Call options [Member]

220.4

296.3

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member]

546.9

598.4

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Future Contracts [Member]

0.1

Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]

2.2

1.8

Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

^[1]

1,148.1

1,066.0

2,768.3

2,059.4

Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Fixed Index Annuity [Member]

2,173.7

1,908.1

Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Front Street Future Policyholder Benefits Reserve [Member]

594.6

151.3

Contingent Purchase Price Reduction Receivable [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

41.5

Asset-backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

1,887.5

1,792.9

Asset-backed Securities [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

1,854.4

1,755.9

Asset-backed Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

33.1

Commercial Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

821.6

636.9

Commercial Mortgage Backed Securities [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

681.5

553.8

Commercial Mortgage Backed Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

140.1

Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]

9,551.1

9,795.8

Corporate Debt Securities [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

8,634.2

8,945.8

Corporate Debt Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

916.9

850.0

Hybrids [Member] | Fair Value, Measurements, Recurring [Member]

1,241.1

1,316.1

Hybrids [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

1,241.1

1,316.1

Hybrids [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

Municipals [Member] | Fair Value, Measurements, Recurring [Member]

1,450.6

1,259.8

Municipals [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

1,413.1

1,222.6

Municipals [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

37.2

Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

2,175.4

2,114.0

Residential Mortgage Backed Securities [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

2,175.4

2,114.0

Broker Quoted [Member] | Asset-backed Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

33.1

37.0

Broker Quoted [Member] | Commercial Mortgage Backed Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

140.1

83.1

Broker Quoted [Member] | Equity Securities [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member]

6.0

Market Pricing [Member] | Municipal Bonds [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

37.5

U.S. Government securities [Member] | Fair Value, Measurements, Recurring [Member]

596.3

296.0

U.S. Government securities [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]

413.4

115.6

U.S. Government securities [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

182.9

180.4

Equity [Member] | Fair Value, Measurements, Recurring [Member]

41.9

104.5

Equity [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]

41.9

104.5

Other Invested Assets [Member]

165.0

Other Invested Assets [Member] | Fair Value, Measurements, Recurring [Member]

14.5

13.3

Other Invested Assets [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]

Other Invested Assets [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

2.1

Other Invested Assets [Member] | Other Invested Assets [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

14.5

11.2

11.7

Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member] | Front Street Future Policyholder Benefits Reserve [Member]

594.6

151.3

Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member] | Future Contracts [Member]

Derivative Financial Instruments [Line Items]

$ 0.1

[1]	(a) included in other assets in the accompanying unaudited condensed Consolidated Balance Sheets.

Derivative Financial Instruments - Summary of Gain (Loss) Recognized in Income on Derivatives (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock		$ (38.0)		$ 12.7
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	(0.5)	0.3	0.5	0.3
Equity Conversion Feature Of Preferred Stock [Member] \| Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0	38.0		(12.7)
Commodity contracts [Member] \| Other (expense) income, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(2.7)	(2.2)	21.3	(12.4)
Bronze Commodity Contract [Member] \| Consumer products cost of goods sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0	0.1	0	0
Bronze Commodity Contract [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(0.5)	0.3	0.5	0.3
Foreign Exchange Contract [Member] \| Other (expense) income, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	5.0	(0.2)	(2.4)	0.4
Call options [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(7.6)	91.1	25.6	226.6
Futures contracts [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0	10.5	4.3	24.9
FIA embedded derivatives [Member] \| Benefits and other changes in policy reserves [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	$ (43.7)	$ 145.8	$ 265.6	$ 320.1

Derivative Financial Instruments - Additional Information (Detail) (USD $)

3 Months Ended

6 Months Ended

9 Months Ended

12 Months Ended

9 Months Ended

12 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Mar. 31, 2015

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Futures contracts [Member]

Contract

Sep. 30, 2014

Futures contracts [Member]

Contract

Jun. 30, 2015

Nomura Fund Linked Note [Member]

Jun. 16, 2014

Nomura Fund Linked Note [Member]

Jun. 30, 2015

Call options [Member]

Sep. 30, 2014

Call options [Member]

Jun. 30, 2015

Swap [Member]

Natural Gas Commodity Contract [Member]

MMBTU

Sep. 30, 2014

Swap [Member]

Natural Gas Commodity Contract [Member]

MMBTU

Jun. 30, 2015

Swap [Member]

Oil Commodity Contract [Member]

MBbls

Sep. 30, 2014

Swap [Member]

Oil Commodity Contract [Member]

bbl

Mar. 31, 2015

Spectrum Brands [Member]

Standby Letters of Credit [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Standby Letters of Credit [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Zinc Commodity Swap Contract [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Silver Commodity Swap Contract [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Silver Commodity Swap Contract [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Bronze Commodity Contract [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Interest Rate Contract [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Interest Rate Contract [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Foreign Exchange Contract [Member]

Jun. 30, 2015

Remainder of 2014 [Member]

Swap [Member]

Natural Gas Commodity Contract [Member]

MMBTU

Jun. 30, 2015

Remainder of 2014 [Member]

Swap [Member]

Oil Commodity Contract [Member]

MBbls

Jun. 30, 2015

Year Two [Member]

Swap [Member]

Natural Gas Commodity Contract [Member]

Jun. 30, 2015

Not Designated as Hedging Instrument [Member]

Sep. 30, 2014

Not Designated as Hedging Instrument [Member]

Jun. 30, 2015

Cash and Cash Equivalents [Member]

Call options [Member]

Sep. 30, 2014

Cash and Cash Equivalents [Member]

Call options [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Futures contracts [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Futures contracts [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Commodity contracts [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Jun. 30, 2015

Bank of America [Member]

Jun. 30, 2015

Bank of America [Member]

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Sep. 30, 2014

Bank of America [Member]

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Jun. 30, 2014

Commercial Mortgage Backed Securities [Member]

$ 18,100,000

^[1]

$ (18,900,000)

^[2]

$ (15,400,000)

^[3]

$ (23,900,000)

^[4]

$ (6,000,000)

^[4]

Derivative, Fixed Interest Rate

Jun. 30, 2015

0.00%

Derivative Asset, Collateral, Obligation to Return Cash, Offset

118,800,000

188,000,000

103,900,000

135,500,000

14,900,000

52,500,000

Derivative, Average Forward Price

2.92

60.38

Natural Gas, Volume

7,980,000

6,821,000

5,520,000

Derivative Asset, Fair Value, Gross Asset

220,100,000

7,602,600,000

248,600,000

324,100,000

300,000

10,300,000

220,100,000

296,300,000

58,700,000

2,239,900,000

Contract value

17,000,000

139,200,000

108,900,000

8,100,000

293,800,000

Derivative, Nonmonetary Notional Amount

200,000

400,000

Derivative net loss/gain

(800,000)

1,000,000

400,000

2,200,000

Derivative net loss/gain, net of tax benefit/expense

100,000

900,000

Estimated amount of derivative net losses/gains to be reclassified from AOCI into earnings over the next twelve months

700,000

800,000

2,400,000

Derivative, Notional Amount

8,972,300,000

296,300,000

300,000,000

2,438,400,000

92,700,000

Weight of raw materials under derivative contract

10,000

1,700

Cash collateral

8,300,000

10,800,000

Standby letters of credit

Call options purchased to match the funding requirements

Call options are one, two and three year options

FGL purchases call options to fund the next index credit

One, two or three year call options to fund the next index credit

Futures contracts

1,819

2,348

Derivative, Percentage of Production Volume Covered by Derivative Financial Instruments

64.00%

68.00%

58.00%

0.00%

Derivative, Commodity Contract, Oil Volume

290,000

254,000

125,000

Derivative Asset, Fair Value, Amount Offset Against Collateral

101,300,000

108,300,000

43,800,000

40,200,000

Investment Owned, Balance, Principal Amount

35,000,000

Embedded Derivative, Fair Value of Embedded Derivative Liability

$ 11,700,000

$ 11,300,000

[1]	(a) During the three months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[2]	(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.
[3]	(a) During the nine months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[4]	(a) The net transfers out of Level 3 for the nine months ended June 30, 2014 were exclusively to Level 2. There was a $6.0 transfer to asset-backed securities from commercial mortgage-backed securities, the remaining transfers were from Level 3 to Level 2.

Derivative Financial Instruments - FGL's Exposure to Credit Loss on Call Options Held (Detail) (USD $)
In Millions, unless otherwise specified

9 Months Ended

Jun. 30, 2015

Bank of America [Member]

Jun. 30, 2015

Deutsche Bank [Member]

Jun. 30, 2015

Morgan Stanley [Member]

Jun. 30, 2015

Barclay's Bank [Member]

Jun. 30, 2015

Call options [Member]

Sep. 30, 2014

Call options [Member]

Jun. 30, 2015

Not Designated as Hedging Instrument [Member]

Sep. 30, 2014

Not Designated as Hedging Instrument [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Bank of America [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Bank of America [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Deutsche Bank [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Deutsche Bank [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Morgan Stanley [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Morgan Stanley [Member]

Jun. 30, 2015

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Barclay's Bank [Member]

Sep. 30, 2014

Derivatives For Trading And Investment [Member]

Not Designated as Hedging Instrument [Member]

Call options [Member]

Barclay's Bank [Member]

Derivative Asset, Fair Value, Amount Offset Against Collateral

Jun. 30, 2015

$ 101.3

$ 108.3

$ 43.8

$ 40.2

$ 32.4

$ 35.5

$ 23.8

$ 22.0

$ 1.3

$ 10.6

Credit Rating (Moody's/S&P)

A/*/A

^[1]

*/A1/A

^[1]

A/A3/BBB+

^[1]

A/A2/A-

^[1]

Derivative, Notional Amount

8,972.3

2,438.4

2,660.1

3,746.8

127.0

296.3

92.7

108.0

85.0

10.6

Derivative Asset, Fair Value, Gross Asset

220.1

7,602.6

248.6

324.1

220.1

296.3

58.7

2,239.9

71.8

2,810.0

88.3

2,294.7

1.3

258.0

Derivative Asset, Collateral, Obligation to Return Cash, Offset

$ 118.8

$ 188.0

$ 14.9

$ 52.5

$ 39.4

$ 72.5

$ 64.5

$ 63.0

$ 0

[1]	(a) An * represents credit ratings that were not available.

Derivative Financial Instruments Derivative Financial Instruments - Oil and Gas Commodity Contracts (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015 Swap [Member] Natural Gas Commodity Contract [Member] MMBTU	Sep. 30, 2014 Swap [Member] Natural Gas Commodity Contract [Member] MMBTU	Jun. 30, 2015 Swap [Member] Natural Gas Commodity Contract [Member] Remainder of 2014 [Member] MMBTU	Jun. 30, 2015 Swap [Member] Oil Commodity Contract [Member] MBbls	Sep. 30, 2014 Swap [Member] Oil Commodity Contract [Member] bbl	Jun. 30, 2015 Swap [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member] MBbls	Jun. 30, 2015 Swap [Member] Energy Related Derivative [Member]	Jun. 30, 2015 Collar [Member] Natural Gas Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member] MBbls	Jun. 30, 2015 Three-way collar [Member] Natural Gas Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Three-way collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member] MBbls	Jun. 30, 2015 Commodity Option [Member] Natural Gas Commodity Contract [Member] Remainder of 2014 [Member] MMBTU	Jun. 30, 2015 Commodity Option [Member] Natural Gas Commodity Contract- Short put [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Commodity Option [Member] Natural Gas Commodity Option Contract- Short call [Member] [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Commodity Option [Member] Natural Gas Commodity Commodity Contract- Long put [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Short put [Member] Three-way collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Long put [Member] Collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Long put [Member] Three-way collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Short call [Member] Collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member]	Jun. 30, 2015 Short call [Member] Three-way collar [Member] Oil Commodity Contract [Member] Remainder of 2014 [Member]
Derivative [Line Items]
Derivative, Percentage of Production Volume Covered by Derivative Financial Instruments	64.00%	68.00%	58.00%	0.00%
Natural Gas, Volume					7,980,000	6,821,000	5,520,000									2,460,000
Weighted average strike price per Mmbtu/Bbl							3.95			94.98							2.10	3.27	2.85	45.00	50.00	60.00	67.50	80.00
Fair Value at June 30, 2015					$ 6.0		$ 5.8	$ 4.3		$ 4.3	$ 10.3	$ 0		$ 0		$ 0.2
Derivative, Commodity Contract, Oil Volume								290,000	254,000	125,000			55,000		110,000

Fair Value of Financial Instruments - Assets and Liabilities Carrying at Fair Value on Non-Recurring Basis (Detail) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Mar. 31, 2015

Sep. 30, 2014

Mar. 31, 2014

Sep. 30, 2013

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

Jun. 30, 2015

$ 1,148.1

$ 930.6

$ 1,148.1

$ 930.6

$ 1,222.9

$ 1,066.0

$ 755.6

$ 523.5

Assets

Cash and cash equivalents

1,293.2

1,455.9

1,293.2

1,455.9

1,319.2

1,899.7

220.4

296.3

490.0

811.6

442.4

165.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

(13.8)

1.5

(4.9)

2.1

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

(24.1)

15.9

4.3

20.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

191.0

186.8

425.3

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

(1.6)

(1.0)

(1.6)

(1.0)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(53.4)

(13.5)

(87.1)

(15.9)

Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value

18.1

^[1]

(18.9)

^[2]

(15.4)

^[3]

(23.9)

^[4]

2,768.3

2,019.4

2,768.3

2,019.4

2,801.9

2,059.4

2,234.5

1,875.2

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings

(75.4)

112.9

240.3

340.9

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases

77.6

514.6

150.6

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements

(35.8)

(328.0)

(46.0)

(347.3)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net

^[1]

^[2]

^[3]

^[4]

Asset-backed Securities [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

33.1

5.9

33.1

5.9

34.3

37.0

10.7

5.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

0.1

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

(0.1)

(0.3)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

6.7

5.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(0.1)

(0.2)

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

(1.0)

^[3]

(4.8)

^[2]

(10.4)

^[3]

(3.8)

^[4]

Commercial Mortgage Backed Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

140.1

83.9

140.1

83.9

142.5

83.1

5.7

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

(1.9)

0.1

0.4

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

83.8

57.7

83.8

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(0.5)

(1.1)

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

(6.0)

^[4]

Corporate Debt Securities [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

916.9

745.2

916.9

745.2

941.1

850.0

657.0

461.1

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

2.3

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

(20.0)

14.4

3.3

18.4

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

88.9

122.4

283.2

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

(1.6)

(1.0)

(1.6)

(1.0)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(2.6)

(35.4)

(2.4)

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

(14.1)

^[2]

(24.1)

^[3]

(14.1)

^[4]

Municipals [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

37.5

36.5

37.5

36.5

39.8

37.2

35.6

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

(2.1)

0.9

0.7

1.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

35.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(0.2)

(0.4)

^[1]

^[3]

Held for trading [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

Equity Securities [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

6.0

10.8

10.7

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

1.2

1.3

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

1.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(13.5)

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

^[1]

^[2]

^[3]

^[4]

Nomura Fund Linked Note [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

14.5

11.6

14.5

11.6

12.2

11.2

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases

11.3

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

19.1

^[1]

19.1

^[3]

^[1]

Embedded Derivative Financial Instruments [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

(16.8)

0.3

(15.8)

0.3

Other Invested Assets [Member]

165.0

Level 2 [Member]

6,941.9

^[5],[6]

6,941.9

^[5],[6]

5,308.5

^[5],[6]

Level 3 [Member]

490.0

^[5]

490.0

^[5]

151.7

^[5]

65.4

^[5],[6]

65.4

^[5],[6]

14,016.1

^[5]

14,016.1

^[5]

13,108.8

^[5]

Level 3 [Member] | Policy loans [Member]

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

427.9

^[5]

427.9

^[5]

811.6

^[5]

Recurring [Member]

Assets

41.5

2,773.1

2,062.2

641.7

^[7]

641.7

^[7]

154.4

^[7]

19,238.2

18,501.7

Recurring [Member] | U.S. Government securities [Member]

596.3

296.0

Recurring [Member] | Foreign exchange forward agreements [Member]

12.8

1.0

0.5

Recurring [Member] | Commodity Option [Member]

10.3

3.2

1.6

0.4

Recurring [Member] | Call options [Member]

220.4

296.3

Recurring [Member] | Available For Sale Embedded Derivatives [Member]

579.6

663.6

Recurring [Member] | FIA embedded derivatives, included in contractholder funds [Member]

2,173.7

1,908.1

Recurring [Member] | Interest Rate Contract [Member]

0.6

Recurring [Member] | Interest Rate Swap [Member]

2.2

1.8

Recurring [Member] | Asset-backed Securities [Member]

1,887.5

1,792.9

Recurring [Member] | Commercial Mortgage Backed Securities [Member]

821.6

636.9

Recurring [Member] | Corporate Debt Securities [Member]

9,551.1

9,795.8

Recurring [Member] | Hybrids [Member]

1,241.1

1,316.1

Recurring [Member] | Municipals [Member]

1,450.6

1,259.8

Recurring [Member] | Residential Mortgage Backed Securities [Member]

2,175.4

2,114.0

Recurring [Member] | Equity [Member]

41.9

104.5

Recurring [Member] | Other Invested Assets [Member]

14.5

13.3

Recurring [Member] | Level 1 [Member]

1,293.2

^[5]

1,293.2

^[5]

1,319.2

^[5]

^[5]

45.8

^[7]

45.8

^[7]

527.8

279.3

Recurring [Member] | Level 1 [Member] | U.S. Government securities [Member]

413.4

115.6

Recurring [Member] | Level 1 [Member] | Available For Sale Embedded Derivatives [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

26.7

59.2

Recurring [Member] | Level 1 [Member] | Fixed Maturities [Member]

1,293.2

^[5]

1,293.2

^[5]

1,319.2

^[5]

Recurring [Member] | Level 1 [Member] | Equity [Member]

41.9

104.5

Recurring [Member] | Level 1 [Member] | Other Invested Assets [Member]

Recurring [Member] | Level 2 [Member]

^[5]

6,941.9

^[5]

6,941.9

^[5]

5,308.5

^[5]

4.8

2.8

595.9

^[7]

595.9

^[7]

154.4

^[7]

17,562.3

17,156.4

Recurring [Member] | Level 2 [Member] | U.S. Government securities [Member]

182.9

180.4

Recurring [Member] | Level 2 [Member] | Foreign exchange forward agreements [Member]

12.8

1.0

0.5

Recurring [Member] | Level 2 [Member] | Commodity Option [Member]

10.3

3.2

1.6

0.4

Recurring [Member] | Level 2 [Member] | Call options [Member]

220.4

296.3

Recurring [Member] | Level 2 [Member] | Available For Sale Embedded Derivatives [Member]

546.9

598.4

Recurring [Member] | Level 2 [Member] | Future Contracts [Member]

0.1

Recurring [Member] | Level 2 [Member] | Interest Rate Contract [Member]

0.6

Recurring [Member] | Level 2 [Member] | Interest Rate Swap [Member]

2.2

1.8

Recurring [Member] | Level 2 [Member] | Asset-backed Securities [Member]

1,854.4

1,755.9

Recurring [Member] | Level 2 [Member] | Commercial Mortgage Backed Securities [Member]

681.5

553.8

Recurring [Member] | Level 2 [Member] | Corporate Debt Securities [Member]

8,634.2

8,945.8

Recurring [Member] | Level 2 [Member] | Hybrids [Member]

1,241.1

1,316.1

Recurring [Member] | Level 2 [Member] | Municipals [Member]

1,413.1

1,222.6

Recurring [Member] | Level 2 [Member] | Residential Mortgage Backed Securities [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

2,175.4

2,114.0

Recurring [Member] | Level 2 [Member] | Fixed Maturities [Member]

^[5]

Recurring [Member] | Level 2 [Member] | Other Invested Assets [Member]

2.1

Recurring [Member] | Level 3 [Member]

917.9

^[5]

917.9

^[5]

963.3

^[5]

14,081.5

^[5]

14,081.5

^[5]

13,108.8

^[5]

2,768.3

2,059.4

^[7]

1,148.1

1,066.0

Recurring [Member] | Level 3 [Member] | FIA embedded derivatives, included in contractholder funds [Member]

2,173.7

1,908.1

Recurring [Member] | Level 3 [Member] | Front Street Future Policyholder Benefits Reserve [Member]

594.6

151.3

Recurring [Member] | Level 3 [Member] | Asset-backed Securities [Member]

33.1

Recurring [Member] | Level 3 [Member] | Commercial Mortgage Backed Securities [Member]

140.1

Recurring [Member] | Level 3 [Member] | Corporate Debt Securities [Member]

916.9

850.0

Recurring [Member] | Level 3 [Member] | Hybrids [Member]

Recurring [Member] | Level 3 [Member] | Municipals [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

37.2

Recurring [Member] | Level 3 [Member] | Fixed Maturities [Member]

^[5]

Recurring [Member] | Level 3 [Member] | Other Invested Assets [Member] | Other Invested Assets [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

14.5

11.2

Contingent Purchase Price Reduction Receivable [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value

41.5

47.0

41.5

41.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings

3.0

8.5

0.5

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements

(50.0)

Contingent Purchase Price Reduction Receivable [Member] | Recurring [Member] | Level 3 [Member]

Assets

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

41.5

FIA embedded derivatives, included in contractholder funds [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value

2,173.7

1,864.5

2,173.7

1,864.5

2,217.4

1,908.1

1,718.7

1,544.4

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings

(43.7)

145.8

265.6

320.1

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net

^[2]

^[4]

Front Street Future Policyholder Benefits Reserve [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value

594.6

154.9

594.6

154.9

584.5

151.3

151.0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings

(31.7)

5.1

(25.3)

8.1

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases

77.6

514.6

150.6

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements

(35.8)

(1.2)

(46.0)

(3.8)

Equity conversion feature of preferred stock [Member]

Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value

364.8

330.8

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings

(38.0)

12.7

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements

(326.8)

(343.5)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net

^[2]

^[4]

Estimate of Fair Value Measurement [Member]

490.0

^[5]

490.0

^[5]

151.7

^[5]

7,007.3

^[5],[6]

7,007.3

^[5],[6]

5,308.5

^[5],[6]

14,016.1

^[5]

14,016.1

^[5]

13,108.8

^[5]

Estimate of Fair Value Measurement [Member] | Policy loans [Member]

427.9

^[5]

427.9

^[5]

811.6

^[5]

Estimate of Fair Value Measurement [Member] | Recurring [Member]

2,211.1

^[5]

2,211.1

^[5]

2,282.5

^[5]

21,023.4

^[5]

21,023.4

^[5]

18,417.3

^[5]

Estimate of Fair Value Measurement [Member] | Recurring [Member] | Future Contracts [Member]

0.1

Estimate of Fair Value Measurement [Member] | Recurring [Member] | Front Street Future Policyholder Benefits Reserve [Member]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

594.6

151.3

Estimate of Fair Value Measurement [Member] | Recurring [Member] | Fixed Maturities [Member]

1,293.2

^[5]

1,293.2

^[5]

1,319.2

^[5]

Reported Value Measurement [Member]

490.0

^[5]

490.0

^[5]

151.7

^[5]

2,211.1

^[5]

2,211.1

^[5]

6,832.7

^[5],[6]

6,832.7

^[5],[6]

5,157.8

^[5],[6]

15,530.1

^[5]

15,530.1

^[5]

14,555.4

^[5]

22,362.8

^[5]

22,362.8

^[5]

Reported Value Measurement [Member] | Policy loans [Member]

427.9

^[5]

427.9

^[5]

811.6

^[5]

Reported Value Measurement [Member] | Recurring [Member]

2,282.5

^[5]

Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]

19,713.2

^[5]

Reported Value Measurement [Member] | Recurring [Member] | Fixed Maturities [Member]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

$ 1,293.2

^[5]

$ 1,293.2

^[5]

$ 1,319.2

^[5]

[1]	(a) During the three months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[2]	(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.
[3]	(a) During the nine months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[4]	(a) The net transfers out of Level 3 for the nine months ended June 30, 2014 were exclusively to Level 2. There was a $6.0 transfer to asset-backed securities from commercial mortgage-backed securities, the remaining transfers were from Level 3 to Level 2.
[5]	(a)The carrying amounts of trade receivables, accounts payable, accrued investment income and portions of other insurance liabilities approximate fair value due to their short duration and, accordingly, they are not presented in the tables above.
[6]	(b)The fair values of debt set forth above are generally based on quoted or observed market prices.
[7]	(a) included in other assets in the accompanying unaudited condensed Consolidated Balance Sheets.

Fair Value of Financial Instruments - Schedule of Unobservable Inputs Used for Level Three Fair Value Measurements of Financial Instruments on Recurring Basis (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended						9 Months Ended			9 Months Ended					9 Months Ended				9 Months Ended			9 Months Ended										9 Months Ended		12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2015 Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Asset-backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Asset-backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Municipal [Member] Broker Quoted [Member]	Jun. 30, 2015 Commercial Mortgage Backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Commercial Mortgage Backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Commercial Mortgage Backed Securities [Member] Broker Quoted [Member]	Jun. 30, 2015 Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Corporate Debt Securities [Member] Broker Quoted [Member]	Sep. 30, 2014 Corporate Debt Securities [Member] Broker Quoted [Member]	Jun. 30, 2015 Corporate Debt Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Corporate Debt Securities [Member] Matrix Pricing [Member]	Jun. 30, 2015 Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Municipal Bonds [Member] Broker Quoted [Member]	Jun. 30, 2015 Municipals [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Municipals [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Equities [Member] Broker Quoted [Member]	Jun. 30, 2015 Other Invested Assets [Member] Black Scholes Model [Member]	Jun. 30, 2015 Other Invested Assets [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Contingent Purchase Price Reduction Receivable [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Nomura Fund Linked Note [Member]	Jun. 16, 2014 Nomura Fund Linked Note [Member]	Jun. 30, 2015 Fixed Index Annuity [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Fixed Index Annuity [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Front Street Future Policyholder Benefits Reserve [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Minimum [Member] Asset-backed Securities [Member]	Sep. 30, 2014 Minimum [Member] Asset-backed Securities [Member]	Jun. 30, 2015 Minimum [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Minimum [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Jun. 30, 2015 Minimum [Member] Commercial Mortgage Backed Securities [Member]	Sep. 30, 2014 Minimum [Member] Commercial Mortgage Backed Securities [Member]	Jun. 30, 2015 Minimum [Member] Corporate Debt Securities [Member]	Sep. 30, 2014 Minimum [Member] Corporate Debt Securities [Member] Broker Quoted [Member]	Sep. 30, 2014 Minimum [Member] Corporate Debt Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Minimum [Member] Hybrids [Member]	Jun. 30, 2015 Minimum [Member] Contingent Purchase Price Reduction Receivable [Member]	Sep. 30, 2014 Minimum [Member] Contingent Purchase Price Reduction Receivable [Member]	Jun. 30, 2015 Minimum [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Minimum [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Minimum [Member] Fixed Index Annuity [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Maximum [Member] Asset-backed Securities [Member]	Sep. 30, 2014 Maximum [Member] Asset-backed Securities [Member]	Jun. 30, 2015 Maximum [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Maximum [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Jun. 30, 2015 Maximum [Member] Commercial Mortgage Backed Securities [Member]	Sep. 30, 2014 Maximum [Member] Commercial Mortgage Backed Securities [Member]	Jun. 30, 2015 Maximum [Member] Corporate Debt Securities [Member]	Sep. 30, 2014 Maximum [Member] Corporate Debt Securities [Member] Broker Quoted [Member]	Sep. 30, 2014 Maximum [Member] Corporate Debt Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Maximum [Member] Hybrids [Member]	Jun. 30, 2015 Maximum [Member] Contingent Purchase Price Reduction Receivable [Member]	Sep. 30, 2014 Maximum [Member] Contingent Purchase Price Reduction Receivable [Member]	Sep. 30, 2014 Maximum [Member] Contingent Purchase Price Reduction Receivable [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Maximum [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Maximum [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Maximum [Member] Fixed Index Annuity [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Weighted Average [Member] Asset-backed Securities [Member]	Sep. 30, 2014 Weighted Average [Member] Asset-backed Securities [Member]	Jun. 30, 2015 Weighted Average [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Sep. 30, 2014 Weighted Average [Member] Asset-backed Securities [Member] Matrix Pricing [Member]	Jun. 30, 2015 Weighted Average [Member] Commercial Mortgage Backed Securities [Member]	Sep. 30, 2014 Weighted Average [Member] Commercial Mortgage Backed Securities [Member]	Jun. 30, 2015 Weighted Average [Member] Corporate Debt Securities [Member]	Sep. 30, 2014 Weighted Average [Member] Corporate Debt Securities [Member] Broker Quoted [Member]	Sep. 30, 2014 Weighted Average [Member] Corporate Debt Securities [Member] Matrix Pricing [Member]	Jun. 30, 2015 Weighted Average [Member] Municipal Debt Securities [Member]	Sep. 30, 2014 Weighted Average [Member] Hybrids [Member]	Jun. 30, 2015 Weighted Average [Member] Equities [Member]	Sep. 30, 2014 Weighted Average [Member] Equities [Member]	Jun. 30, 2015 Weighted Average [Member] Nomura Fund Linked Note [Member]	Sep. 30, 2014 Weighted Average [Member] Nomura Fund Linked Note [Member]	Jun. 30, 2015 Weighted Average [Member] Contingent Purchase Price Reduction Receivable [Member]	Sep. 30, 2014 Weighted Average [Member] Contingent Purchase Price Reduction Receivable [Member]	Jun. 30, 2015 Weighted Average [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Weighted Average [Member] Fixed Index Annuity [Member]	Sep. 30, 2014 Weighted Average [Member] Fixed Index Annuity [Member] Discounted Cash Flow [Member]	Jun. 30, 2015 Front Street Future Policyholder Benefits Reserve [Member] Minimum [Member]	Sep. 30, 2014 Front Street Future Policyholder Benefits Reserve [Member] Minimum [Member]	Jun. 30, 2015 Front Street Future Policyholder Benefits Reserve [Member] Maximum [Member]	Sep. 30, 2014 Front Street Future Policyholder Benefits Reserve [Member] Maximum [Member]	Jun. 30, 2015 Front Street Future Policyholder Benefits Reserve [Member] Weighted Average [Member]	Sep. 30, 2014 Front Street Future Policyholder Benefits Reserve [Member] Weighted Average [Member]	Jun. 30, 2015 Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 1 [Member] Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 1 [Member] Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Asset-backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Asset-backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Commercial Mortgage Backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Commercial Mortgage Backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Municipals [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Municipals [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 2 [Member] Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 2 [Member] Available For Sale Embedded Derivatives [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Asset-backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Asset-backed Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Asset-backed Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Commercial Mortgage Backed Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Commercial Mortgage Backed Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Commercial Mortgage Backed Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Corporate Debt Securities [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Hybrids [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Municipal Bonds [Member] Market Pricing [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Municipals [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Contingent Purchase Price Reduction Receivable [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Contingent Purchase Price Reduction Receivable [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Available For Sale Embedded Derivatives [Member] Equity Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Available For Sale Embedded Derivatives [Member] Equity Securities [Member] Broker Quoted [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Fixed Index Annuity [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Fixed Index Annuity [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Level 3 [Member] Front Street Future Policyholder Benefits Reserve [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Level 3 [Member] Front Street Future Policyholder Benefits Reserve [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Other Invested Assets [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Other Invested Assets [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Other Invested Assets [Member] Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Other Invested Assets [Member] Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Other Invested Assets [Member] Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Other Invested Assets [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Other Invested Assets [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Other Invested Assets [Member] Level 3 [Member] Discounted Cash Flow [Member] Fair Value, Measurements, Recurring [Member]	Sep. 30, 2014 Other Invested Assets [Member] Level 3 [Member] Discounted Cash Flow [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2015 Other Invested Assets [Member] Level 3 [Member] Nomura Fund Linked Note [Member] Option Pricing [Member] Fair Value, Measurements, Recurring [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Document Period End Date	Jun. 30, 2015
Assets, Fair Value Disclosure, Recurring			$ 19,238.2	$ 18,501.7																																																																																						$ 527.8	$ 279.3			$ 17,562.3	$ 17,156.4													$ 1,148.1	$ 1,066.0
Valuation Technique							Broker-quoted			Broker-quoted					Matrix Pricing				Broker-quoted			Broker-quoted	Black Scholes model	Discounted cash flow	Discounted cash flow							Discounted cash flow
Derivative Liability																														2,173.7	1,908.1																																																																																															2,173.7	1,908.1	594.6	151.3
Assets, Fair Value Disclosure	1,148.1	1,066.0											883.8	848.0	33.1	2.0
Equity securities - available-for-sale																										579.6	663.6																																																																	26.7	59.2													546.9	598.4																	6.0	6.0
Available-for-sale Securities					1,887.5	1,792.9		821.6	636.9		9,551.1	9,795.8					1,241.1	1,316.1		1,450.6	1,259.8																																																																											1,854.4	1,755.9	681.5	553.8	8,634.2	8,945.8	1,241.1	1,316.1	1,413.1	1,222.6					33.1	33.1	37.0	140.1	140.1	83.1	916.9	850.0	0	0	37.5	37.2
Contingent Purchase Price Reduction Receivable Fair Value Disclosure			0	41.5																																																																																																																						0	41.5
Embedded Derivative, Fair Value of Embedded Derivative Liability																												11.7	11.3
Other invested assets	442.4	165.0																																																																																																																																14.5	13.3	0	0	2.1	14.5	11.2	2.8	0	11.7
Probability of collection																																											0.00%	88.00%														0.00%	96.00%																				94.00%	92.00%
Expected term																																																										0 months 5 days		4 months 5 days
Discount rate																																																										1.00%	1.00%
Credit insurance risk premium																																																										7.00%	12.00%
Quoted prices																																			0.00%	0.00%	106.00%	0.00%	67.00%		0.00%									0.00%	0.00%	123.00%	0.00%	150.00%		0.00%										110.00%	0.00%	115.00%	0.00%	103.00%		142.00%		107.00%
Offered quotes																																	0.00%	100.00%			100.00%	105.00%	75.00%	62.00%								0.00%	109.00%			121.00%	121.00%	123.00%	120.00%									100.00%	101.00%			114.00%	118.00%	103.00%	100.00%		115.00%		100.00%	100.00%	100.00%	100.00%
Liabilities
Liabilities, Fair Value Disclosure	$ 2,768.3	$ 2,059.4
Market value of option																																													0.00%	0.00%															42.00%	50.00%																			3.00%	3.00%
SWAP rates																																															2.00%																3.00%																		2.00%		2.00%
Mortality multiplier																																																																																	80.00%	80.00%
Surrender rates																																													0.50%		0.50%														75.00%		75.00%																		7.00%		7.00%
Fair Value Measurements Non Performance Spread																																																																																	0.25%	0.25%		0.50%	0.50%	1.50%	1.50%
Risk margin for uncertainty																																																																																								1.00%	0.50%

Fair Value of Financial Instruments - Additional Information (Detail) (USD $)

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Asset Backed Securities and Corporate Securities [Member]

Jun. 30, 2015

Asset-backed Securities [Member]

Jun. 30, 2014

Asset-backed Securities [Member]

Jun. 30, 2015

Asset-backed Securities [Member]

Jun. 30, 2014

Asset-backed Securities [Member]

Jun. 30, 2015

Fixed Maturities Available For Sale [Member]

Sep. 30, 2014

Fixed Maturities Available For Sale [Member]

Jun. 30, 2015

Fixed Maturities Available For Sale [Member]

Asset-backed Securities [Member]

Sep. 30, 2014

Fixed Maturities Available For Sale [Member]

Asset-backed Securities [Member]

Jun. 30, 2015

Percentage of male contractholder

$ 17,723,600,000

$ 17,211,500,000

$ 1,887,500,000

$ 1,792,900,000

50.00%

Percentage of female contractholder

50.00%

Fair Value, Assets, Level 1 to Level 2 Transfers, Amount

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

$ 18,100,000

^[1]

$ (18,900,000)

^[2]

$ (15,400,000)

^[3]

$ (23,900,000)

^[4]

$ (34,500,000)

^[4]

$ (1,000,000)

^[3]

$ (4,800,000)

^[2]

$ (10,400,000)

^[3]

$ (3,800,000)

^[4]

[1]	(a) During the three months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[2]	(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.
[3]	(a) During the nine months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[4]	(a) The net transfers out of Level 3 for the nine months ended June 30, 2014 were exclusively to Level 2. There was a $6.0 transfer to asset-backed securities from commercial mortgage-backed securities, the remaining transfers were from Level 3 to Level 2.

Fair Value of Financial Instruments - Changes in Fair Value of Financial Instruments (Detail) (USD $)

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

FIA embedded derivatives, included in contractholder funds [Member]

Jun. 30, 2014

FIA embedded derivatives, included in contractholder funds [Member]

Jun. 30, 2015

FIA embedded derivatives, included in contractholder funds [Member]

Jun. 30, 2014

FIA embedded derivatives, included in contractholder funds [Member]

Jun. 30, 2015

Front Street Future Policyholder Benefits Reserve [Member]

Jun. 30, 2014

Front Street Future Policyholder Benefits Reserve [Member]

Jun. 30, 2015

Front Street Future Policyholder Benefits Reserve [Member]

Jun. 30, 2014

Front Street Future Policyholder Benefits Reserve [Member]

Jun. 30, 2014

Equity conversion feature of preferred stock [Member]

Jun. 30, 2014

Equity conversion feature of preferred stock [Member]

Jun. 30, 2014

Available For Sale Embedded Derivatives [Member]

Jun. 30, 2014

Available For Sale Embedded Derivatives [Member]

Jun. 30, 2015

Asset-backed Securities [Member]

Jun. 30, 2014

Asset-backed Securities [Member]

Jun. 30, 2015

Asset-backed Securities [Member]

Jun. 30, 2014

Asset-backed Securities [Member]

Jun. 30, 2015

Commercial Mortgage Backed Securities [Member]

Jun. 30, 2014

Commercial Mortgage Backed Securities [Member]

Jun. 30, 2015

Commercial Mortgage Backed Securities [Member]

Jun. 30, 2014

Commercial Mortgage Backed Securities [Member]

Jun. 30, 2015

Corporate Debt Securities [Member]

Jun. 30, 2014

Corporate Debt Securities [Member]

Jun. 30, 2015

Corporate Debt Securities [Member]

Jun. 30, 2014

Corporate Debt Securities [Member]

Jun. 30, 2015

Municipals [Member]

Jun. 30, 2014

Municipals [Member]

Jun. 30, 2015

Municipals [Member]

Jun. 30, 2014

Municipals [Member]

Jun. 30, 2015

Equity securities available-for-sale [Member]

Jun. 30, 2014

Equity securities available-for-sale [Member]

Jun. 30, 2015

Equity securities available-for-sale [Member]

Jun. 30, 2014

Equity securities available-for-sale [Member]

Jun. 30, 2014

Equity Securities Available For Sale [Member]

Jun. 30, 2014

Equity Securities Available For Sale [Member]

Jun. 30, 2015

Held for trading [Member]

Jun. 30, 2014

Held for trading [Member]

Jun. 30, 2015

Held for trading [Member]

Jun. 30, 2014

Held for trading [Member]

Jun. 30, 2015

Nomura Fund Linked Note [Member]

Jun. 30, 2014

Nomura Fund Linked Note [Member]

Jun. 30, 2015

Nomura Fund Linked Note [Member]

Jun. 30, 2014

Nomura Fund Linked Note [Member]

Jun. 30, 2015

Embedded Derivative Financial Instruments [Member]

Jun. 30, 2014

Embedded Derivative Financial Instruments [Member]

Jun. 30, 2015

Embedded Derivative Financial Instruments [Member]

Jun. 30, 2014

Embedded Derivative Financial Instruments [Member]

Jun. 30, 2015

Contingent Purchase Price Reduction Receivable [Member]

Jun. 30, 2015

Contingent Purchase Price Reduction Receivable [Member]

Jun. 30, 2014

Contingent Purchase Price Reduction Receivable [Member]

Mar. 31, 2014

Contingent Purchase Price Reduction Receivable [Member]

Fair Value, Assets, Level 1 to Level 2 Transfers, Amount

$ 0

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance at Beginning of Period

1,222,900,000

755,600,000

1,066,000,000

523,500,000

34,300,000

10,700,000

37,000,000

5,000,000

142,500,000

83,100,000

5,700,000

941,100,000

657,000,000

850,000,000

461,100,000

39,800,000

35,600,000

37,200,000

6,000,000

10,800,000

6,000,000

10,700,000

12,200,000

11,200,000

47,000,000

41,500,000

41,000,000

41,500,000

(13,800,000)

1,500,000

(4,900,000)

2,100,000

100,000

2,300,000

1,200,000

1,300,000

(16,800,000)

300,000

(15,800,000)

300,000

3,000,000

8,500,000

500,000

(24,100,000)

15,900,000

4,300,000

20,500,000

(100,000)

(300,000)

(1,900,000)

100,000

400,000

(20,000,000)

14,400,000

3,300,000

18,400,000

(2,100,000)

900,000

700,000

1,500,000

500,000

191,000,000

186,800,000

425,300,000

6,700,000

5,000,000

83,800,000

57,700,000

83,800,000

88,900,000

122,400,000

283,200,000

35,000,000

1,500,000

5,500,000

11,300,000

Sales

(1,600,000)

(1,000,000)

(1,600,000)

(1,000,000)

(1,600,000)

(1,000,000)

(1,600,000)

(1,000,000)

Settlements

(53,400,000)

(13,500,000)

(87,100,000)

(15,900,000)

(100,000)

(200,000)

(500,000)

(1,100,000)

(2,600,000)

(35,400,000)

(2,400,000)

(200,000)

(400,000)

(13,500,000)

(50,000,000)

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

18,100,000

^[1]

(18,900,000)

^[2]

(15,400,000)

^[3]

(23,900,000)

^[4]

(1,000,000)

^[3]

(4,800,000)

^[2]

(10,400,000)

^[3]

(3,800,000)

^[4]

(6,000,000)

^[4]

(14,100,000)

^[2]

(24,100,000)

^[3]

(14,100,000)

^[4]

^[1]

^[3]

^[1]

^[2]

^[3]

^[4]

^[1]

19,100,000

^[1]

19,100,000

^[3]

^[1]

Balance at End of Period

1,148,100,000

930,600,000

1,148,100,000

930,600,000

33,100,000

5,900,000

33,100,000

5,900,000

140,100,000

83,900,000

140,100,000

83,900,000

916,900,000

745,200,000

916,900,000

745,200,000

37,500,000

36,500,000

37,500,000

36,500,000

6,000,000

14,500,000

11,600,000

14,500,000

11,600,000

41,500,000

Balance at Beginning of Period

2,801,900,000

2,234,500,000

2,059,400,000

1,875,200,000

2,217,400,000

1,718,700,000

1,908,100,000

1,544,400,000

584,500,000

151,000,000

151,300,000

364,800,000

330,800,000

(75,400,000)

112,900,000

240,300,000

340,900,000

(43,700,000)

145,800,000

265,600,000

320,100,000

(31,700,000)

5,100,000

(25,300,000)

8,100,000

(38,000,000)

12,700,000

Net transfer In (Out) of Level 3

77,600,000

514,600,000

150,600,000

77,600,000

514,600,000

150,600,000

Sales

Settlements

(35,800,000)

(328,000,000)

(46,000,000)

(347,300,000)

(35,800,000)

(1,200,000)

(46,000,000)

(3,800,000)

(326,800,000)

(343,500,000)

^[1]

^[2]

^[3]

^[4]

^[2]

^[4]

^[2]

^[4]

Balance at End of Period

$ 2,768,300,000

$ 2,019,400,000

$ 2,768,300,000

$ 2,019,400,000

$ 2,173,700,000

$ 1,864,500,000

$ 2,173,700,000

$ 1,864,500,000

$ 594,600,000

$ 154,900,000

$ 594,600,000

$ 154,900,000

$ 0

[1]	(a) During the three months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[2]	(a) The net transfers out of Level 3 for the three months ended June 30, 2014 were exclusively to Level 2.
[3]	(a) During the nine months ended June 30, 2015, the net transfers out of Level 3 were exclusively to Level 2 and the net transfer to Level 3 was related to a loan receivable previously eliminated upon consolidation.
[4]	(a) The net transfers out of Level 3 for the nine months ended June 30, 2014 were exclusively to Level 2. There was a $6.0 transfer to asset-backed securities from commercial mortgage-backed securities, the remaining transfers were from Level 3 to Level 2.

Fair Value of Financial Instruments Fair Value of Financial Instruments - Assets and Liabilities Carrying at Fair Value Measured on a Recurring Basis (Details) (USD $)
In Millions, unless otherwise specified

9 Months Ended

Jun. 30, 2015

Sep. 30, 2014

Jun. 30, 2014

Sep. 30, 2013

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Cash and cash equivalents

Jun. 30, 2015

$ 1,293.2

$ 1,319.2

$ 1,455.9

$ 1,899.7

220.4

296.3

490.0

811.6

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

442.4

165.0

Level 3 [Member]

490.0

^[1]

151.7

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

65.4

^[1],[2]

14,016.1

^[1]

13,108.8

^[1]

Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

6,941.9

^[1],[2]

5,308.5

^[1],[2]

Policy loans [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

427.9

^[1]

811.6

^[1]

Other Invested Assets [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

165.0

Reported Value Measurement [Member]

490.0

^[1]

151.7

^[1]

2,211.1

^[1]

6,832.7

^[1],[2]

5,157.8

^[1],[2]

15,530.1

^[1]

14,555.4

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

22,362.8

^[1]

Reported Value Measurement [Member] | Policy loans [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

427.9

^[1]

811.6

^[1]

Estimate of Fair Value Measurement [Member]

490.0

^[1]

151.7

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

7,007.3

^[1],[2]

5,308.5

^[1],[2]

14,016.1

^[1]

13,108.8

^[1]

Estimate of Fair Value Measurement [Member] | Policy loans [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

427.9

^[1]

811.6

^[1]

Fair Value, Measurements, Recurring [Member]

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

41.5

641.7

^[3]

154.4

^[3]

19,238.2

18,501.7

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2,773.1

2,062.2

Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

^[3]

1,148.1

1,066.0

2,768.3

2,059.4

917.9

^[1]

963.3

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

14,081.5

^[1]

13,108.8

^[1]

Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

45.8

^[3]

527.8

279.3

1,293.2

^[1]

1,319.2

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

^[1]

Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

595.9

^[3]

154.4

^[3]

17,562.3

17,156.4

4.8

2.8

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

6,941.9

^[1]

5,308.5

^[1]

Fair Value, Measurements, Recurring [Member] | Commodity Option [Member]

10.3

3.2

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1.6

0.4

Fair Value, Measurements, Recurring [Member] | Commodity Option [Member] | Level 2 [Member]

10.3

3.2

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1.6

0.4

Fair Value, Measurements, Recurring [Member] | Fixed Index Annuity [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2,173.7

1,908.1

Fair Value, Measurements, Recurring [Member] | Fixed Index Annuity [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2,173.7

1,908.1

Fair Value, Measurements, Recurring [Member] | Front Street Future Policyholder Benefits Reserve [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

594.6

151.3

Fair Value, Measurements, Recurring [Member] | Future Contracts [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

0.1

Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

0.6

Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

0.6

Fair Value, Measurements, Recurring [Member] | Foreign exchange forward agreements [Member]

12.8

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1.0

0.5

Fair Value, Measurements, Recurring [Member] | Foreign exchange forward agreements [Member] | Level 2 [Member]

12.8

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1.0

0.5

Fair Value, Measurements, Recurring [Member] | Call options [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

220.4

296.3

Fair Value, Measurements, Recurring [Member] | Call options [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

220.4

296.3

Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

579.6

663.6

Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member] | Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

26.7

59.2

Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

546.9

598.4

Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2.2

1.8

Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2.2

1.8

Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Foreign exchange forward agreements [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

6.2

Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Foreign exchange forward agreements [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

6.2

Fair Value, Measurements, Recurring [Member] | Equity [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

41.9

104.5

Fair Value, Measurements, Recurring [Member] | Equity [Member] | Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

41.9

104.5

Fair Value, Measurements, Recurring [Member] | Other Invested Assets [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

14.5

13.3

Fair Value, Measurements, Recurring [Member] | Other Invested Assets [Member] | Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Measurements, Recurring [Member] | Other Invested Assets [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2.1

Fair Value, Measurements, Recurring [Member] | Reported Value Measurement [Member]

2,282.5

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

19,713.2

^[1]

Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member]

2,211.1

^[1]

2,282.5

^[1]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

21,023.4

^[1]

18,417.3

^[1]

Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Front Street Future Policyholder Benefits Reserve [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

594.6

151.3

Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Future Contracts [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

0.1

Contingent Purchase Price Reduction Receivable [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Contingent Purchase Price Reduction Receivable Fair Value Disclosure

41.5

Asset-backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,887.5

1,792.9

Asset-backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

33.1

Asset-backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,854.4

1,755.9

Commercial Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

821.6

636.9

Commercial Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

140.1

Commercial Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

681.5

553.8

Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

9,551.1

9,795.8

Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

916.9

850.0

Corporate Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

8,634.2

8,945.8

Hybrids [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,241.1

1,316.1

Hybrids [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Hybrids [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,241.1

1,316.1

Municipals [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,450.6

1,259.8

Municipals [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

37.2

Municipals [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

1,413.1

1,222.6

Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2,175.4

2,114.0

Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

2,175.4

2,114.0

Other Invested Assets [Member] | Fair Value, Measurements, Recurring [Member] | Other Invested Assets [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

14.5

11.2

Broker Quoted [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member] | Available For Sale Embedded Derivatives [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

6.0

Broker Quoted [Member] | Asset-backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

33.1

37.0

Broker Quoted [Member] | Commercial Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

140.1

83.1

Market Pricing [Member] | Municipal Bonds [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

37.5

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

11.7

U.S. Government securities [Member] | Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

596.3

296.0

U.S. Government securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

413.4

115.6

U.S. Government securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

$ 182.9

$ 180.4

[1]	(a)The carrying amounts of trade receivables, accounts payable, accrued investment income and portions of other insurance liabilities approximate fair value due to their short duration and, accordingly, they are not presented in the tables above.
[2]	(b)The fair values of debt set forth above are generally based on quoted or observed market prices.
[3]	(a) included in other assets in the accompanying unaudited condensed Consolidated Balance Sheets.

Goodwill and Intangibles, including DAC and VOBA - Summary of Changes in Carrying Amounts of Goodwill and Intangible Assets Including FGL's DAC and VOBA Balances (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Intangible Assets, Including Goodwill [Roll Forward]
Beginning Balance, Goodwill			$ 1,524.8
Beginning Balance, Indefinite Lived Intangible Assets			1,215.9
Beginning Balance, Finite Lived Intangible Assets			917.2
Beginning Balance, Intangible Assets, Excluding Goodwill			2,683.7
Goodwill, Acquired During Period			1,046.4
Indefinite-lived Intangible Assets Acquired			349.7
Acquisitions (Note 13)			541.4
Goodwill, Impairment Loss			(28.3)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			(31.9)
Impairment of Intangible Assets, Finite-lived			60.2	0
Goodwill and Intangible Asset Impairment			(31.9)
Deferrals			251.4
Less: Components of amortization:
Amortization of intangibles	(99.6)	(40.7)	(149.6)	(121.5)
Adjustment for unrealized investment (gains), net, Goodwill			141.5
Effect of translation, Intangible Assets Excluding Goodwill			(40.6)
Ending Balance, Goodwill	2,498.7		2,498.7
Ending Balance, Indefinite Lived Intangible Assets	1,501.8		1,501.8
Ending Balance, Finite Lived Intangible Assets	1,026.3		1,026.3
Ending Balance, Intangible Assets, Excluding Goodwill	3,386.0		3,386.0
Unlocking [Member]
Less: Components of amortization:
Amortization of intangibles			(2.5)
Interest [Member]
Less: Components of amortization:
Amortization of intangibles			25.4
Periodic amortization [Member]
Less: Components of amortization:
Amortization of intangibles			(172.5)
Definite Lived Intangible Assets [Member]
Intangible Assets, Including Goodwill [Roll Forward]
Beginning Balance, Finite Lived Intangible Assets			917.2
Acquisitions (Note 3), Finite-Lived Intangible Assets			191.7
Impairment of Intangible Assets, Finite-lived			0
Less: Components of amortization:
Amortization of intangibles	(22.3)	(20.5)	(64.0)	(61.2)
Effect of translation, Finite Lived intangible assets			(18.6)
Ending Balance, Finite Lived Intangible Assets	1,026.3		1,026.3
Definite Lived Intangible Assets [Member] \| Periodic amortization [Member]
Less: Components of amortization:
Amortization of intangibles			(64.0)
VOBA [Member]
Intangible Assets, Including Goodwill [Roll Forward]
Beginning Balance, Finite Lived Intangible Assets			86.8
Less: Components of amortization:
Amortization of intangibles	23.6	10.8	37.6	34.9
Adjustment for unrealized investment (gains), net, Goodwill			49.1
Ending Balance, Finite Lived Intangible Assets	98.3		98.3
VOBA [Member] \| Unlocking [Member]
Less: Components of amortization:
Amortization of intangibles			2.4
VOBA [Member] \| Interest [Member]
Less: Components of amortization:
Amortization of intangibles			9.2
VOBA [Member] \| Periodic amortization [Member]
Less: Components of amortization:
Amortization of intangibles			(49.2)
DAC [Member]
Intangible Assets, Including Goodwill [Roll Forward]
Beginning Balance, Finite Lived Intangible Assets			463.8
Deferrals			251.4
Less: Components of amortization:
Amortization of intangibles	53.7	9.4	48.0	25.4
Adjustment for unrealized investment (gains), net, Goodwill			92.4
Ending Balance, Finite Lived Intangible Assets	759.6		759.6
DAC [Member] \| Unlocking [Member]
Less: Components of amortization:
Amortization of intangibles			(4.9)
DAC [Member] \| Interest [Member]
Less: Components of amortization:
Amortization of intangibles			16.2
DAC [Member] \| Periodic amortization [Member]
Less: Components of amortization:
Amortization of intangibles			(59.3)
Goodwill [Member]
Less: Components of amortization:
Effect of translation, Finite Lived intangible assets			(28.0)
Indefinite Lived Intangible Assets [Member]
Less: Components of amortization:
Effect of translation, Finite Lived intangible assets			$ (22.0)

Goodwill and Intangibles, including DAC and VOBA - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Goodwill, Acquired During Period			$ 1,046.4
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	90.0		90.0
Intangible assets amortization method			straight-line method
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			35.00%
Indefinite-lived Intangible Assets Acquired			349.7
Goodwill and Intangible Asset Impairment			(60.2)
Amortization of intangibles	99.6	40.7	149.6	121.5
Finite-Lived Intangible Assets, Accumulated Amortization	379.9		379.9		323.2
2014	90.0		90.0
2015	90.0		90.0
2016	90.0		90.0
2017	90.0		90.0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			(31.9)
Goodwill, Impairment Loss			(28.3)
VOBA [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	9.8		9.8
Cumulative adjustments for net unrealized investment gains	(114.9)		(114.9)		(164.2)
Amortization of intangibles	(23.6)	(10.8)	(37.6)	(34.9)
Finite-Lived Intangible Assets, Accumulated Amortization	(364.0)		(364.0)		(338.4)
2014	37.1		37.1
2015	31.3		31.3
2016	25.2		25.2
2017	20.3		20.3
DAC [Member]
Finite-Lived Intangible Assets [Line Items]
Cumulative adjustments for net unrealized investment gains	(36.9)		(36.9)		(55.5)
Amortization of intangibles	(53.7)	(9.4)	(48.0)	(25.4)
Deferred sales inducements, net of shadow adjustments	51.1		51.1			32.7
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Accretion Rate, VOBA	4.00%		4.00%
Amortizable Life			2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Accretion Rate, VOBA	5.00%		5.00%
Amortizable Life			20 years
Weighted Average [Member] \| VOBA [Member]
Finite-Lived Intangible Assets [Line Items]
Amortizable Life			4 years 10 months 25 days
FOH [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Acquired During Period			16.2
Indefinite-lived Intangible Assets Acquired			$ 9.9

Goodwill and Intangibles, including DAC and VOBA - Summary of Definite Lived Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified			9 Months Ended				9 Months Ended				9 Months Ended				9 Months Ended
	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2015 Minimum [Member]	Jun. 30, 2015 Maximum [Member]	Jun. 30, 2015 Customer Relationships [Member]	Sep. 30, 2014 Customer Relationships [Member]	Jun. 30, 2015 Customer Relationships [Member] Minimum [Member]	Jun. 30, 2015 Customer Relationships [Member] Maximum [Member]	Jun. 30, 2015 Trade Names [Member]	Sep. 30, 2014 Trade Names [Member]	Jun. 30, 2015 Trade Names [Member] Minimum [Member]	Jun. 30, 2015 Trade Names [Member] Maximum [Member]	Jun. 30, 2015 Technology assets [Member]	Sep. 30, 2014 Technology assets [Member]	Jun. 30, 2015 Technology assets [Member] Minimum [Member]	Jun. 30, 2015 Technology assets [Member] Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,406.2	$ 1,240.4			$ 992.0	$ 877.1			$ 171.6	$ 171.1			$ 242.6	$ 192.2
Accumulated Amortization	(379.9)	(323.2)			(234.4)	(204.6)			(73.2)	(61.0)			(72.3)	(57.6)
Net	$ 1,026.3	$ 917.2			$ 757.6	$ 672.5			$ 98.4	$ 110.1			$ 170.3	$ 134.6
Amortizable Life			2 years	20 years			2 years	20 years			3 years	13 years			4 years	17 years

Goodwill and Intangibles, including DAC and VOBA - Summary of Amortization Expense of Definite Lived Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	$ 99.6	$ 40.7	$ 149.6	$ 121.5
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	12.9	11.7	37.0	35.0
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	4.1	4.1	12.3	12.3
Technology assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	5.3	4.7	14.7	13.9
Definite Lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	$ 22.3	$ 20.5	$ 64.0	$ 61.2

Goodwill and Intangibles, including DAC and VOBA - Estimated Amortization Expense for VOBA and DAC in Future Fiscal Periods (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2015
Schedule Of Amortization Expense And Weighted Average Lives Of Identified Intangible Assets [Line Items]
2013	$ 90.0
2014	90.0
2015	90.0
2016	90.0
2017	90.0
VOBA [Member]
Schedule Of Amortization Expense And Weighted Average Lives Of Identified Intangible Assets [Line Items]
2013	9.8
2014	37.1
2015	31.3
2016	25.2
2017	20.3
Thereafter	$ 89.5

Debt - Summary of Debt (Detail) (USD $)

9 Months Ended

Jun. 30, 2015

Sep. 30, 2014

Jun. 30, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

May 19, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Apr. 14, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Jun. 30, 2015

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

May 19, 2015

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Sep. 30, 2014

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Mar. 31, 2015

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Five Point Seven Five Percentage Senior Notes [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Five Point Seven Five Percentage Senior Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Other notes and obligations [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Other notes and obligations [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Capitalized lease obligations [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Capitalized lease obligations [Member]

Jun. 30, 2015

EXCO/HGI JV [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Sep. 30, 2014

EXCO/HGI JV [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]

Sep. 30, 2014

Salus Capital Partners L L C [Member]

Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Secured Borrowings Related to non-qualifying participating loan interests [Member]

Sep. 30, 2014

Salus Capital Partners L L C [Member]

Secured Borrowings Related to non-qualifying participating loan interests [Member]

Jun. 30, 2015

Compass Credit Agreement [Member]

Compass Production Partners [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Jun. 30, 2015

Revolving Credit Facility [Member]

Spectrum Brands [Member]

ABL Facility, expiring May 24, 2017 [Member]

Sep. 30, 2014

Revolving Credit Facility [Member]

Spectrum Brands [Member]

ABL Facility, expiring May 24, 2017 [Member]

Jun. 30, 2015

Revolving Credit Facility [Member]

Fidelity And Guaranty Life Holdings [Member]

Sep. 30, 2014

Revolving Credit Facility [Member]

Fidelity And Guaranty Life Holdings [Member]

Jun. 30, 2015

Secured Debt [Member]

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Sep. 30, 2014

Secured Debt [Member]

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Six Point Three Seven Five Senior Notes [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

Six Point Three Seven Five Senior Notes [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

6.625% Notes [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

6.625% Notes [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Jun. 30, 2015

Secured Debt [Member]

Spectrum Brands [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Sep. 30, 2014

Secured Debt [Member]

Spectrum Brands [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Jun. 30, 2015

Secured Debt [Member]

Fidelity And Guaranty Life Holdings [Member]

6.375% Senior Notes, Due April 1, 2021 [Member]

Sep. 30, 2014

Secured Debt [Member]

Fidelity And Guaranty Life Holdings [Member]

6.375% Senior Notes, Due April 1, 2021 [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Euro Term Loan, Due December 19, 2021 [Member] [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due December 19, 2021 [Member] [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due September 4, 2019 [Member]

Sep. 30, 2014

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due September 4, 2019 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Sep. 30, 2014

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan, Due June 23, 2022 [Member]

Sep. 30, 2014

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Term Loan, Due June 23, 2022 [Member]

Jun. 30, 2015

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Sep. 30, 2014

United States of America, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Jun. 30, 2015

Canada, Dollars

Secured Debt [Member]

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Debt Instrument [Line Items]

Jun. 30, 2015

Original issuance (discounts) premiums on debt, net

$ 6,860,300,000

$ 5,194,500,000

$ 160,000,000

$ 100,000,000

$ 890,000,000

$ 140,000,000

$ 750,000,000

$ 250,000,000

$ 0

$ 1,000,000,000

$ 0

$ 31,000,000

$ 36,600,000

$ 88,700,000

$ 94,700,000

$ 113,400,000

$ 193,000,000

$ 11,200,000

$ 106,800,000

$ 47,500,000

$ 0

$ 864,400,000

$ 604,400,000

$ 0

$ 520,000,000

$ 570,000,000

$ 0

^[1]

$ 0

^[1]

$ 509,900,000

^[1]

$ 0

^[1]

$ 648,400,000

^[1]

$ 300,000,000

$ 150,000,000

$ 300,000,000

^[1]

$ 0

^[1]

$ 283,300,000

^[1]

$ 34,200,000

^[1]

$ 60,900,000

^[1]

$ 0

^[1]

$ 1,450,000,000

^[1]

$ 0

^[1]

$ 336,200,000

^[1]

$ 0

^[1]

$ 75,000,000

^[1]

(27,600,000)

(36,700,000)

800,000

3,600,000

800,000

Total Debt

6,832,700,000

5,157,800,000

Less current maturities

51,400,000

96,700,000

Non-current portion of debt

6,781,300,000

5,061,100,000

Long-term debt, interest rate

7.875%

7.75%

7.80%

6.75%

6.125%

0.00%

5.75%

0.00%

13.60%

8.80%

5.90%

6.10%

2.70%

10.00%

6.70%

9.40%

10.80%

5.30%

0.00%

5.25%

5.30%

7.875%

7.90%

0.00%

6.80%

6.375%

6.40%

6.625%

6.60%

4.50%

^[1]

0.00%

^[1]

0.00%

^[1]

3.60%

^[1]

0.00%

^[1]

3.00%

^[1]

6.40%

0.00%

^[1]

3.80%

^[1]

0.00%

^[1]

5.10%

^[1]

3.80%

^[1]

0.00%

^[1]

3.50%

^[1]

0.00%

^[1]

Line of Credit Facility, Fair Value of Amount Outstanding

327,000,000

Line of Credit Facility, Amount Outstanding

$ 243,200,000

$ 0

[1]	*Together, defined as the "Prior Term Loan"

Debt - Additional Information (Detail) (USD $)

3 Months Ended

9 Months Ended

0 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Sep. 30, 2014

Jun. 30, 2015

Federal Funds Rate [Member]

Jun. 30, 2015

Eurodollar [Member]

Jun. 30, 2015

Term Loan Due September 4, 2019 [Member]

London Interbank Offered Rate (LIBOR) [Member]

May 06, 2015

Compass Credit Agreement [Member]

Jun. 30, 2015

Term Loan Due December 17, 2019 [Member]

London Interbank Offered Rate (LIBOR) [Member]

Jun. 30, 2015

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

May 19, 2015

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Sep. 30, 2014

HGI [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Apr. 14, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Jun. 30, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

May 19, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Apr. 14, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Jun. 30, 2015

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Secured Debt [Member]

Sep. 30, 2014

HGI [Member]

7.875% Senior Secured Notes, due July 15, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Six Point Seven Five Percentage Senior Notes [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Interest Rate Floor [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Interest Rate Cap [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2017 [Member]

Base Rate [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Interest Rate Floor [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Base Rate [Member]

Jun. 30, 2015

Spectrum Brands [Member]

ABL Facility, expiring May 24, 2017 [Member]

Jun. 30, 2015

Spectrum Brands [Member]

ABL Facility, expiring May 24, 2017 [Member]

Revolving Credit Facility [Member]

Sep. 30, 2014

Spectrum Brands [Member]

ABL Facility, expiring May 24, 2017 [Member]

Revolving Credit Facility [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point Three Seven Five Senior Notes [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Six Point Three Seven Five Senior Notes [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Secured Debt [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Seven Point Seven Five Percent Senior Unsecured Notes [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Interest Rate Floor [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Interest Rate Floor [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Base Rate [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Letter of Credit [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Mar. 31, 2015

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Six Point One Two Five Percentage Senior Notes [Member]

Jun. 30, 2015

Spectrum Brands [Member]

Five Point Seven Five Percentage Senior Notes [Member]

Sep. 30, 2014

Spectrum Brands [Member]

Five Point Seven Five Percentage Senior Notes [Member]

Jun. 30, 2015

FGLH [Member]

FGL Revolving Credit Facility [Member]

Jun. 30, 2015

Fidelity And Guaranty Life Holdings [Member]

Revolving Credit Facility [Member]

Sep. 30, 2014

Fidelity And Guaranty Life Holdings [Member]

Revolving Credit Facility [Member]

Jun. 30, 2015

Fidelity And Guaranty Life Holdings [Member]

6.375% Senior Notes, Due April 1, 2021 [Member]

Secured Debt [Member]

Sep. 30, 2014

Fidelity And Guaranty Life Holdings [Member]

6.375% Senior Notes, Due April 1, 2021 [Member]

Secured Debt [Member]

Jun. 30, 2015

EXCO/HGI JV [Member]

Compass Credit Agreement [Member]

Jun. 30, 2015

EXCO/HGI JV [Member]

Maximum [Member]

Compass Credit Agreement [Member]

Jun. 30, 2015

EXCO/HGI JV [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Sep. 30, 2014

EXCO/HGI JV [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Compass Credit Agreement [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Minimum [Member]

London Interbank Offered Rate (LIBOR) [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Minimum [Member]

Alternate Base Rate (ABR) [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Maximum [Member]

London Interbank Offered Rate (LIBOR) [Member]

Jun. 30, 2015

Compass Production Partners [Member]

Maximum [Member]

Alternate Base Rate (ABR) [Member]

Jun. 30, 2015

Compass Production Partners [Member]

EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]

Compass Credit Agreement [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Minimum [Member]

London Interbank Offered Rate (LIBOR) [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Maximum [Member]

London Interbank Offered Rate (LIBOR) [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Secured Borrowings Related to non-qualifying participating loan interests [Member]

Sep. 30, 2014

Salus Capital Partners L L C [Member]

Secured Borrowings Related to non-qualifying participating loan interests [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Collateralized Loan Obligations [Member]

Feb. 27, 2015

Salus Capital Partners L L C [Member]

Collateralized Loan Obligations [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Asset based loan receivables [Member]

Jun. 30, 2015

Salus Capital Partners L L C [Member]

Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]

Sep. 30, 2014

Salus Capital Partners L L C [Member]

Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

May 19, 2015

United States of America, Dollars

Spectrum Brands [Member]

Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Sep. 30, 2014

United States of America, Dollars

Spectrum Brands [Member]

Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Sep. 30, 2014

United States of America, Dollars

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

Term Loan Due September 4, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

Euro Term Loan, Due September 4, 2019 [Member]

Secured Debt [Member]

Sep. 30, 2014

United States of America, Dollars

Spectrum Brands [Member]

Euro Term Loan, Due September 4, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

United States of America, Dollars

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Secured Debt [Member]

Sep. 30, 2014

United States of America, Dollars

Spectrum Brands [Member]

Term Loan Due December 17, 2019 [Member]

Secured Debt [Member]

Jun. 30, 2015

Canada, Dollars

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

May 19, 2015

Canada, Dollars

Spectrum Brands [Member]

CAD Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Interest Rate Floor [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Euro Term Loan, Due December 19, 2021 [Member] [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Euro Term Loan, Due December 19, 2021 [Member] [Member]

Secured Debt [Member]

Jun. 30, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

May 19, 2015

Euro Member Countries, Euro

Spectrum Brands [Member]

Euro Term Loan, Due June 23, 2022 [Member]

Secured Debt [Member]

Debt Instrument [Line Items]

Line of Credit Facility, Interest Rate Description

0.002

175

275

175

Line of Credit Facility, Interest Rate at Period End

2.70%

Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Minimum Percentage Covering Forecasted Proved Natural Gas Production, Year One

80.00%

Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 1 and 2

100.00%

Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 3

90.00%

Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 4 and 5

85.00%

Line of Credit Facility, Covenant Terms, Ratio of Indebtedness to EBITDAX

5.75

3.50

Collateral, nominal value

$ 80,000,000

Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate

0.75%

^[1]

3.00%

^[1]

2.00%

^[1]

0.75%

^[1]

3.50%

^[1]

0.75%

^[1]

2.50%

^[1]

3.00%

^[1]

2.00%

^[1]

Long-term debt, interest rate

7.75%

7.80%

7.875%

7.90%

4.50%

^[1]

0.00%

^[1]

6.75%

0.00%

6.80%

0.00%

^[1]

3.00%

^[1]

0.00%

^[1]

3.60%

^[1]

5.30%

0.00%

6.375%

6.40%

6.125%

0.00%

5.75%

0.00%

5.25%

5.30%

6.40%

2.70%

9.40%

10.80%

10.00%

6.70%

3.80%

^[1]

0.00%

^[1]

3.50%

^[1]

0.00%

^[1]

0.00%

^[1]

3.80%

^[1]

0.00%

^[1]

5.10%

^[1]

Interest Expense Debt Call Premium

15,200,000

Interest Expense Debt Satisfaction of Discharge

1,700,000

Write-off of debt issuance costs and (premiums) discounts on retired debt

12,900,000

9,200,000

4,100,000

Minimum Percentage Of Aggregate Outstanding Principal Held By Registered Holders

25.00%

Debt Issuance Cost

2,200,000

2,000,000

2,500,000

4,600,000

12,400,000

4,900,000

600,000

2,600,000

Deferred Finance Costs, Gross

Jun. 30, 2015

5,700,000

19,500,000

4,500,000

2,600,000

400,000

Amortization of debt issuance costs

13,800,000

14,700,000

1,100,000

Amortization of Financing Costs and Discounts

5,100,000

2,300,000

400,000

Interest Expense

154,000,000

77,900,000

320,100,000

239,100,000

Line of Credit Facility, Fair Value of Amount Outstanding

327,000,000

Amortization of debt discount

3,100,000

2,200,000

Line of Credit Facility, Maximum Borrowing Capacity

6,860,300,000

5,194,500,000

890,000,000

140,000,000

750,000,000

160,000,000

100,000,000

864,400,000

604,400,000

^[1]

648,400,000

^[1]

509,900,000

^[1]

47,500,000

520,000,000

300,000,000

^[1]

250,000,000

1,000,000,000

300,000,000

11,200,000

106,800,000

463,900,000

578,500,000

331,100,000

113,400,000

193,000,000

1,450,000,000

^[1]

60,900,000

^[1]

336,200,000

^[1]

283,300,000

^[1]

34,200,000

^[1]

75,000,000

^[1]

150,000,000

300,000,000

^[1]

500,000,000

Debt Instrument Discount Rate

0.25%

1.00%

0.25%

Debt Instrument, Unamortized Discount (Premium), Net

27,600,000

36,700,000

(3,600,000)

(800,000)

Letter of credit outstanding

33,200,000

150,000,000

Debt Instrument, Basis Spread on Variable Rate

0.50%

1.00%

0.99%

2.75%

2.25%

11.50%

Line of Credit Facility, Amount Outstanding

243,200,000

Asset-based loans

490,000,000

811,600,000

Line of Credit Facility, Remaining Borrowing Capacity

$ 419,300,000

Debt Instrument, Interest Rate, Effective Percentage

98.51%

104.50%

[1]	*Together, defined as the "Prior Term Loan"

Reinsurance - Effect of Reinsurance on Premiums Earned, Benefits Incurred and Reserve Changes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Effects of Reinsurance [Line Items]
Direct Premiums Earned	$ 68.2	$ 65.6	$ 195.5	$ 200.3
Policyholder Benefits and Claims Incurred, Direct	144.1	324.0	698.2	876.8
Assumed Premiums Earned	0	8.8	17.4	27.6
Policyholder Benefits and Claims Incurred, Assumed	(43.9)	12.0	(14.8)	27.3
Ceded Premiums Earned	50.4	61.1	168.9	185.9
Policyholder Benefits and Claims Incurred, Ceded	43.9	70.9	190.4	207.8
Premiums Earned, Net, Life	17.8	13.3	44.0	42.0
Benefits and other changes in policy reserves	$ 56.3	$ 265.1	$ 493.0	$ 696.3

Reinsurance - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2015	Sep. 30, 2014	Oct. 31, 2014 Ability Re [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			$ 368.0
Contractholder funds	17,703.9	16,463.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Insurance Reserves			$ 346.9

Stock Compensation - Summary of Stock Options Outstanding and Related Activity (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Warrant [Member] \| HGI [Member]
Options (in shares):
Stock options outstanding at September 30, 2014			3,000
Forfeited or expired			(600)
Stock options outstanding at June 30, 2015	2,400		2,400
Stock options vested and exercisable at June 30, 2015			600
Stock options outstanding and expected to vest	1,800		1,800
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at September 30, 2014			$ 13.13
Forfeited or expired			$ 13.13
Stock options outstanding at June 30, 2015	$ 13.13		$ 13.13
Stock options vested and exercisable at June 30, 2015			$ 13.13
Stock options outstanding and expected to vest	$ 13.13		$ 13.13
Weighted Average Grant Date Fair Value (in dollars per share):
Stock options outstanding at September 30, 2014			$ 3.22
Forfeited or expired			$ 3.22
Stock options outstanding at June 30, 2015	$ 3.22		$ 3.22
Stock options vested and exercisable at June 30, 2015			$ 3.22
Stock options outstanding and expected to vest	$ 3.22		$ 3.22
Employee Stock Option [Member] \| HGI [Member]
Options (in shares):
Stock options outstanding at September 30, 2014			4,624
Granted	78	30	900	1,356
Exercised			(600)
Forfeited or expired			(204)
Stock options outstanding at June 30, 2015	4,720		4,720
Stock options vested and exercisable at June 30, 2015			2,298
Stock options outstanding and expected to vest	2,422		2,422
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at September 30, 2014			$ 8.14
Granted			$ 13.27
Exercised			$ 6.54
Forfeited or expired			$ 10.87
Stock options outstanding at June 30, 2015	$ 9.21		$ 9.21
Stock options vested and exercisable at June 30, 2015			$ 8.12
Stock options outstanding and expected to vest	$ 10.24		$ 10.24
Weighted Average Grant Date Fair Value (in dollars per share):
Stock options outstanding at September 30, 2014			$ 3.28
Granted			$ 5.19
Exercised			$ 2.54
Forfeited or expired			$ 4.44
Stock options outstanding at June 30, 2015	$ 3.69		$ 3.69
Stock options vested and exercisable at June 30, 2015			$ 3.24
Stock options outstanding and expected to vest	$ 4.12		$ 4.12
Employee Stock Option [Member] \| Fidelity And Guaranty Life Holdings [Member]
Options (in shares):
Stock options outstanding at September 30, 2014			225
Granted			0
Exercised			(75)
Forfeited or expired			(1)
Stock options outstanding at June 30, 2015	149		149
Stock options vested and exercisable at June 30, 2015			123
Stock options outstanding and expected to vest	25		25
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at September 30, 2014			$ 46.19
Granted			$ 0.00
Exercised			$ 44.89
Forfeited or expired			$ 49.45
Stock options outstanding at June 30, 2015	$ 46.81		$ 46.81
Stock options vested and exercisable at June 30, 2015			$ 46.23
Stock options outstanding and expected to vest	$ 46.79		$ 46.79
Employee Stock Option [Member] \| FGL [Member]
Options (in shares):
Stock options outstanding at September 30, 2014			242
Granted			206	249
Exercised			(3)
Forfeited or expired			(16)
Stock options outstanding at June 30, 2015	429		429
Stock options vested and exercisable at June 30, 2015			221
Stock options outstanding and expected to vest	199		199
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at September 30, 2014			$ 17.00
Granted			$ 24.40
Exercised			$ 17.00
Forfeited or expired			$ 20.81
Stock options outstanding at June 30, 2015	$ 20.41		$ 20.41
Stock options vested and exercisable at June 30, 2015			$ 19.52
Stock options outstanding and expected to vest	$ 20.41		$ 20.41

Stock Compensation - Summary of Restricted Stock and Restricted Stock Units Outstanding and Related Activity (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Jun. 30, 2015	Jun. 30, 2014
HGI [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 22.2			$ 22.2
Weighted Average Grant Date Fair Value (in dollars per share):
Granted				$ 30,500,000.00	$ 46,600,000.00
Exercised / Released				$ 31,400,000.00	$ 14,800,000.00
HGI [Member] \| Restricted stock awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(343)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value				$ 11.44
Shares:
Restricted award outstanding at September 30, 2012			5,438	5,438
Granted		10		1,885	3,313
Exercised / Released				2,710
Restricted award outstanding at March 31, 2013	4,277			4,277
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 9.75	$ 9.75
Granted				$ 13.36
Exercised / Released				$ 8.92
Restricted award outstanding at March 31, 2013	11.74			$ 11.74
HGI [Member] \| Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	42	7		48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				0
Shares:
Restricted award outstanding at September 30, 2012	48		7	7
Granted					7
Exercised / Released				7
Restricted award outstanding at March 31, 2013			48
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 11.84	$ 11.84
Granted				$ 12.46
Exercised / Released			$ 12.46
HGI [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	78	30		900	1,356
Shares:
Restricted award expected to vest	2,422			2,422
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award expected to vest	$ 4.12			$ 4.12
FGL [Member]
Weighted Average Grant Date Fair Value (in dollars per share):
Granted				$ 9,500,000.00	$ 13,400,000.00
FGL [Member] \| Restricted stock awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(18)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value				$ 21.62
Shares:
Restricted award outstanding at September 30, 2012			172	172
Granted				325	171
Exercised / Released				227
Restricted award outstanding at March 31, 2013	252			252
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 18.18	$ 18.18
Granted				$ 23.57
Exercised / Released				$ 21.61
Restricted award outstanding at March 31, 2013	$ 21.91			$ 21.91
FGL [Member] \| Performance Restricted Stock Unit (PRSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(72)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value				$ 17.00
Shares:
Restricted award outstanding at September 30, 2012			578	578
Granted				40	541
Exercised / Released				45
Restricted award outstanding at March 31, 2013	501			501
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 17.37	$ 17.37
Granted				$ 20.36
Exercised / Released				$ 17.00
Restricted award outstanding at March 31, 2013	$ 17.69			$ 17.69
FGL [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted				206	249
Shares:
Restricted award expected to vest	199			199
Spectrum Brands [Member] \| Immediate Vest Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross				133	90
Spectrum Brands [Member] \| Time Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross				141	60
Spectrum Brands [Member] \| Performance-based and Time-based Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross				277	290
Spectrum Brands [Member] \| Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	36.3			36.3
Stock Issued During Period, Value, Restricted Stock Award, Gross				49.8	30.6
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(29)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value				$ 85.39
Shares:
Restricted award outstanding at September 30, 2012			827	827
Granted		10		551	440
Exercised / Released				705
Restricted award outstanding at March 31, 2013			644
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 67.66	$ 67.66
Granted				$ 90.44
Exercised / Released				$ 68.29
Restricted award expected to vest			$ 85.65
Spectrum Brands [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	22			551
Fidelity And Guaranty Life Holdings [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 12.6			$ 12.6
Fidelity And Guaranty Life Holdings [Member] \| Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period				(1)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value				$ 49.45
Shares:
Restricted award outstanding at September 30, 2012			26	26
Exercised / Released				14
Restricted award outstanding at March 31, 2013			11
Weighted Average Grant Date Fair Value (in dollars per share):
Restricted award outstanding at September 30, 2012			$ 49.55	$ 49.55
Granted				$ 0.00
Exercised / Released				$ 49.55
Restricted award outstanding at March 31, 2013			$ 49.57
Fidelity And Guaranty Life Holdings [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted				0
Shares:
Restricted award expected to vest	25			25
Restricted stock units [Member] \| HGI [Member] \| Restricted stock awards [Member]
Shares:
Exercised / Released				7
Weighted Average Grant Date Fair Value (in dollars per share):
Exercised / Released				$ 11.84
Restricted stock units [Member] \| FGL [Member] \| Restricted stock awards [Member]
Shares:
Exercised / Released				0
Weighted Average Grant Date Fair Value (in dollars per share):
Exercised / Released				$ 0.00
Minimum [Member] \| Spectrum Brands [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				1 year
Minimum [Member] \| Spectrum Brands [Member] \| Performance-based and Time-based Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				1 year
Maximum [Member] \| Spectrum Brands [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				3 years
Maximum [Member] \| Spectrum Brands [Member] \| Performance-based and Time-based Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				2 years

Stock Compensation - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended									3 Months Ended	9 Months Ended			3 Months Ended		6 Months Ended	9 Months Ended			9 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended				3 Months Ended	9 Months Ended				9 Months Ended								3 Months Ended	9 Months Ended						9 Months Ended			3 Months Ended	9 Months Ended					6 Months Ended	9 Months Ended			9 Months Ended	3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015 Executive Bonus Plan [Member] Minimum [Member]	Jun. 30, 2015 Executive Bonus Plan [Member] Maximum [Member]	Jun. 30, 2015 HGI [Member]	Jun. 30, 2014 HGI [Member]	Jun. 30, 2015 HGI [Member] Minimum [Member]	Jun. 30, 2015 HGI [Member] Maximum [Member]	Jun. 30, 2015 HGI [Member] Stock option awards [Member]	Jun. 30, 2014 HGI [Member] Restricted stock awards [Member]	Jun. 30, 2015 HGI [Member] Restricted stock awards [Member]	Jun. 30, 2014 HGI [Member] Restricted stock awards [Member]	Sep. 30, 2014 HGI [Member] Restricted stock awards [Member]	Jun. 30, 2015 HGI [Member] Restricted stock units [Member]	Jun. 30, 2014 HGI [Member] Restricted stock units [Member]	Mar. 31, 2015 HGI [Member] Restricted stock units [Member]	Jun. 30, 2015 HGI [Member] Restricted stock units [Member]	Jun. 30, 2014 HGI [Member] Restricted stock units [Member]	Sep. 30, 2014 HGI [Member] Restricted stock units [Member]	Jun. 30, 2015 HGI [Member] Warrant [Member]	Jun. 30, 2015 HGI [Member] Employee Stock Option [Member]	Jun. 30, 2014 HGI [Member] Employee Stock Option [Member]	Mar. 31, 2014 HGI [Member] Employee Stock Option [Member]	Jun. 30, 2015 HGI [Member] Employee Stock Option [Member]	Jun. 30, 2014 HGI [Member] Employee Stock Option [Member]	Jun. 30, 2015 Spectrum Brands [Member] Minimum [Member]	Jun. 30, 2015 Spectrum Brands [Member] Maximum [Member]	Jun. 30, 2014 Spectrum Brands [Member] Restricted stock units [Member]	Jun. 30, 2015 Spectrum Brands [Member] Restricted stock units [Member]	Jun. 30, 2014 Spectrum Brands [Member] Restricted stock units [Member]	Mar. 31, 2015 Spectrum Brands [Member] Restricted stock units [Member]	Sep. 30, 2014 Spectrum Brands [Member] Restricted stock units [Member]	Jun. 30, 2015 Spectrum Brands [Member] Immediate Vest Restricted Stock Units [Member]	Jun. 30, 2014 Spectrum Brands [Member] Immediate Vest Restricted Stock Units [Member]	Jun. 30, 2015 Spectrum Brands [Member] Time Based Restricted Stock Units [Member]	Jun. 30, 2014 Spectrum Brands [Member] Time Based Restricted Stock Units [Member]	Jun. 30, 2015 Spectrum Brands [Member] Performance-based and Time-based Shares [Member]	Jun. 30, 2014 Spectrum Brands [Member] Performance-based and Time-based Shares [Member]	Jun. 30, 2015 Spectrum Brands [Member] Performance-based and Time-based Shares [Member] Minimum [Member]	Jun. 30, 2015 Spectrum Brands [Member] Performance-based and Time-based Shares [Member] Maximum [Member]	Jun. 30, 2015 Spectrum Brands [Member] Employee Stock Option [Member]	Jun. 30, 2015 Spectrum Brands [Member] Employee Stock Option [Member]	Jun. 30, 2015 FGL [Member]	Jun. 30, 2014 FGL [Member]	Jun. 30, 2015 FGL [Member] Performance Restricted Stock Unit (PRSUs) [Member]	Jun. 30, 2014 FGL [Member] Performance Restricted Stock Unit (PRSUs) [Member]	Sep. 30, 2014 FGL [Member] Performance Restricted Stock Unit (PRSUs) [Member]	Jun. 30, 2015 FGL [Member] Restricted stock awards [Member]	Jun. 30, 2014 FGL [Member] Restricted stock awards [Member]	Sep. 30, 2014 FGL [Member] Restricted stock awards [Member]	Dec. 31, 2013 FGL [Member] Common Stock [Member]	Jun. 30, 2015 FGL [Member] Employee Stock Option [Member]	Jun. 30, 2014 FGL [Member] Employee Stock Option [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2014 Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member] Minimum [Member]	Mar. 31, 2015 Fidelity And Guaranty Life Holdings [Member] Maximum [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member] Restricted stock units [Member]	Mar. 31, 2015 Fidelity And Guaranty Life Holdings [Member] Restricted stock units [Member]	Sep. 30, 2014 Fidelity And Guaranty Life Holdings [Member] Restricted stock units [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member] Employee Stock Option [Member]	Jun. 30, 2015 Restricted stock awards [Member]	Jun. 30, 2015 Restricted stock awards [Member]	Jun. 30, 2014 Restricted stock awards [Member]	Jun. 30, 2015 Stock option awards [Member]	Jun. 30, 2015 Stock option awards [Member]	Jun. 30, 2014 Stock option awards [Member]	Mar. 31, 2014 Employee Stock Option [Member] HGI [Member]	Dec. 31, 2013 Employee Stock Option [Member] HGI [Member] Minimum [Member]	Mar. 31, 2015 Employee Stock Option [Member] HGI [Member] Minimum [Member]	Dec. 31, 2013 Employee Stock Option [Member] HGI [Member] Maximum [Member]	Mar. 31, 2015 Employee Stock Option [Member] HGI [Member] Maximum [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member]	Jun. 30, 2014 Employee Stock Option [Member] FGL [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member] Minimum [Member]	Jun. 30, 2014 Employee Stock Option [Member] FGL [Member] Minimum [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member] Maximum [Member]	Jun. 30, 2015 Chief Executive Officer [Member] FGL [Member]	Jun. 30, 2015 Chief Executive Officer [Member] Employee Stock Option [Member] FGL [Member]	Jun. 30, 2015 Chief Executive Officer [Member] Employee Stock Option [Member] FGL [Member] Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value																																																																													$ 4.23	$ 3,760,000.00	$ 5.02			$ 2,530,000.00
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate																																																																							1.46%	1.57%	1.75%	1.87%		1.40%	1.40%					0.20%
Document Fiscal Year Focus			2015
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term																									0.00%	0.00%																															1.50%	1.20%	0.00%																					1.20%
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		28,900,000		51,000,000																																																												3,000,000	2,700,000	2,400,000	1,300,000	1,400,000	1,300,000
Stock-based compensation	$ 26.4	$ 19.7	$ 71.9	$ 67.1																																									$ 1.6					$ 3.1
Options, granted																42,000	7,000		48,000				78,000	30,000		900,000	1,356,000																22,000	551,000										206,000	249,000								0
Vesting period					1 year	3 years	3 years		1 year	3 years																																			3 years
Equity intruments other than options granted												10,000	1,885,000	3,313,000						7,000										10,000	551,000	440,000															40,000	541,000		325,000	171,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross																																			133,000	90,000	141,000	60,000	277,000	290,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms																												1 year	3 years												1 year	2 years
Stock Issued During Period, Value, Restricted Stock Award, Gross																															49.8	30.6
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized							22.2																								36.3																									12.6
Unrecognized compensation cost expected to recognized, years							1 year 6 months 14 days																																																	1 year 6 months 0 days
Weighted average remaining contractual term of outstanding stock option awards											7 years 7 months 7 days
Granted							$ 30,500,000.00	$ 46,600,000.00					$ 13.36						$ 12.46												$ 90.44														$ 9,500,000.00	$ 13,400,000.00	$ 20.36			$ 23.57			$ 1,000,000.00							$ 0.00
Exercised / Released							$ 31,400,000.00	$ 14,800,000.00					$ 8.92					$ 12.46													$ 68.29																$ 17.00			$ 21.61										$ 49.55
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value							3.9	3.6
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options							$ 3.9	$ 2.5
Volatility																																													4 years 6 months	4 years 6 months																									5 years 3 months 18 days	5 years 0 months 0 days	6 years 0 months 0 days	6 years 6 months 0 days						9 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number													4,277,000		5,438,000			48,000			7,000												644,000	827,000													501,000		578,000	252,000		172,000	58,000								11,000	26,000
Stock options vested and exercisable at June 30, 2015																						600,000				2,298,000																												221,000									123,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate																																																																						41.20%		37.10%		39.00%	25.00%	25.00%					25.00%

Stock Compensation - Assumptions Used in Determination of Grant Date Fair Values Using Black-Scholes Option Pricing Model (Detail) (USD $)	9 Months Ended			6 Months Ended	9 Months Ended							6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended			9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014 Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member] Minimum [Member]	Mar. 31, 2015 Fidelity And Guaranty Life Holdings [Member] Maximum [Member]	Jun. 30, 2015 FGL [Member]	Jun. 30, 2014 FGL [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member]	Jun. 30, 2014 Employee Stock Option [Member] FGL [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member] Minimum [Member]	Jun. 30, 2014 Employee Stock Option [Member] FGL [Member] Minimum [Member]	Jun. 30, 2015 Employee Stock Option [Member] FGL [Member] Maximum [Member]	Mar. 31, 2014 Employee Stock Option [Member] HGI [Member]	Dec. 31, 2013 Employee Stock Option [Member] HGI [Member] Minimum [Member]	Mar. 31, 2015 Employee Stock Option [Member] HGI [Member] Minimum [Member]	Dec. 31, 2013 Employee Stock Option [Member] HGI [Member] Maximum [Member]	Mar. 31, 2015 Employee Stock Option [Member] HGI [Member] Maximum [Member]	Mar. 31, 2015 Warrant [Member] Fidelity And Guaranty Life Holdings [Member] Maximum [Member]	Mar. 31, 2014 Employee Stock Option [Member] HGI [Member]	Jun. 30, 2015 Employee Stock Option [Member] HGI [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Fiscal Year Focus	2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value									$ 4.23	$ 3,760,000	$ 5.02
Risk-free interest rate								1.40%	1.40%				1.46%	1.57%	1.75%	1.87%	0.00%
Assumed dividend yield		1.50%	1.20%	0.00%														0.00%	0.00%
Expected option term					4 years 6 months	4 years 6 months							5 years 3 months 18 days	5 years 0 months 0 days	6 years 0 months 0 days	6 years 6 months 0 days
Volatility							25.00%	25.00%				41.20%		37.10%		39.00%

Stock Compensation Stock compensation - Schedule of Incentive Plan Activity (Details) (Spectrum Brands [Member], Restricted stock units [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Sep. 30, 2014
Spectrum Brands [Member] \| Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number				644	827
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value					$ 67.66
Granted	10	551	440
Granted		$ 90.44
Exercised / Released		(705)
Exercised / Released		$ 68.29

Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Taxes [Line Items]
Effective income tax rate	(4.30%)	27.50%	(3.90%)	48.30%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			35.00%
Income tax expense	$ 1.7	$ 53.7	$ 14.5	$ 78.7
Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock		(38.0)		12.7
Increase In Valuation Allowance Due To Acquisition				35.0
Spectrum Brands [Member] \| U S Federal [Member]
Income Taxes [Line Items]
Increase In Valuation Allowance Due To Acquisition			31.0
Component of Income Tax Benefit Expense, Impairments, Nonrecurring [Member]
Income Taxes [Line Items]
Income tax expense			$ 12.3

Earnings Per Share - Summary of Basic and Diluted EPS (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net Income (Loss) Available to Common Stockholders, Basic	$ (75.6)	$ 49.0	$ (413.7)	$ (77.6)
Weighted Average Number of Shares Outstanding, Diluted	196,878	178,046	197,920	150,675
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements		1,281
Incremental Common Shares Attributable To Conversion Of Restricted Stock Units		3,798
Net income (loss) attributable to common and participating preferred stockholders	$ (75.6)	$ 49.0	$ (413.7)	$ (77.6)
Weighted-average common shares outstanding - basic	196,878	172,967	197,920	150,675
Net (loss) income per common share attributable to controlling interest:
Basic (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)
Diluted (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)

Earnings Per Share - Additional Information (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Participating Shares	197,083,000	201,043,000	197,083,000	201,043,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		28,900,000		51,000,000
Basic (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)
Diluted (in dollars per share)	$ (0.38)	$ 0.28	$ (2.09)	$ (0.52)
Stock option awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,300,000		1,400,000	1,300,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			2,400,000	3,000,000
Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Share Price		$ 13.13		$ 13.13
Restricted stock awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,000,000		2,700,000	2,400,000

Commitments and Contingencies - Additional Information (Detail) (USD $)	9 Months Ended		9 Months Ended					9 Months Ended				0 Months Ended		9 Months Ended		9 Months Ended
	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2015 Maximum [Member]	Jun. 30, 2015 Minimum [Member]	Jun. 30, 2015 Fidelity And Guaranty Life Holdings [Member]	Apr. 06, 2011 Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2015 Spectrum Brands [Member]	Jun. 30, 2015 OMGUK CARVM financing fee [Member]	Jun. 30, 2015 HRG v OMGUK [Member]	Jun. 30, 2015 Cressy Plaintiff [Member]	Jun. 30, 2015 Eddie L. Cressy v. Fidelity Guaranty [sic] Life Insurance Company, et. al. [Member]	Jan. 07, 2015 Dale R. Ludwick, on behalf of Herself and All Others Similarly Situated v. Harbinger Group Inc., Fidelity & Guaranty Life Insurance Company, Raven Reinsurance Company, and Front Street Re (Cayman) Ltd [Member]	Jun. 30, 2015 Dale R. Ludwick, on behalf of Herself and All Others Similarly Situated v. Harbinger Group Inc., Fidelity & Guaranty Life Insurance Company, Raven Reinsurance Company, and Front Street Re (Cayman) Ltd [Member]	Jun. 30, 2015 Unasserted Claim [Member] Fidelity And Guaranty Life Holdings [Member]	Jun. 30, 2015 Radioshack [Member] Salus Capital Partners L L C [Member]	Jun. 30, 2015 Proposed Settlement [Member] Kahn v. Philip A. Falcone et al [Member]	Jun. 30, 2015 Fixed Income Securities [Member]	Jun. 30, 2015 Other Invested Assets [Member]	Jun. 30, 2015 Other assets [Member]
Commitment And Contingencies [Line Items]
Contractual Obligation	$ 215,400,000																$ 35,000,000	$ 156,600,000	$ 23,800,000
Loss Contingency, Receivable										3,600,000
Loss Contingency, Damages Sought, Value												0
Reserves for legal, environmental and regulatory matters	12,800,000							5,900,000
Business Acquisition Fair Value Of Contingent Purchase Price Consideration Reduction						50,000,000
Environmental costs recognized, capitalized							4,500,000
Document Period End Date	Jun. 30, 2015
Long-term Debt	6,860,300,000	5,194,500,000													250,000,000
Revolving Loan Facility															585,000,000
Accrued amount of guaranty fund assessments					3,800,000
Estimated future premium tax deductions					3,900,000
Administrative costs and potential liabilities														1,800,000
Loss Contingency Accrual, Payments														1.7
Notional amount of unfunded, legally binding lending commitments	168,100,000
Expiration of partial amount of unfunded, legally binding lending commitments	98,000,000
Expiry date of partial amount of notional amount			1 year
Expiry date of remainder part of notional amount			5 years	1 year
Litigation Settlement, Amount									61.6	5,300,000						3.8
Loss Contingency Accrual, Provision										8,600,000
Estimated Litigation Liability										2,700,000			900,000
Legal Fees								7,600,000			3,900,000
Payments for Legal Settlements											$ 2,000,000

Related Party Transactions - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended			9 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014	Jun. 30, 2015 Preferred Stock [Member] HCP Stockholders [Member]	Mar. 18, 2014 Preferred Stock [Member] HCP Stockholders [Member]	Jun. 30, 2015 Maximum [Member] Leucadia [Member]	Jun. 30, 2015 Maximum [Member] Leucadia [Member]	Jun. 30, 2015 Severance Cost, one time payments [Member]	Jun. 30, 2015 Severance Cost, Accrued Bonus [Member]	Jun. 30, 2015 Severance Cost, Future Bonus [Member]	May 21, 2015 Bridge Loan [Member] Jefferies [Member]
Related Party Transaction [Line Items]
Expenses related to Services Agreement	$ 700,000	$ 1,500,000	$ 3,300,000	$ 4,400,000
Severance Costs										20,500,000	16,500,000	3,300,000
Stock Issued During Period, Shares, Acquisitions						23
Share Price							$ 11.00
Stock Issued During Period, Value, Acquisitions						253,000,000
Percentage Of Beneficial Ownership								27.50%	4.90%
Long-term Debt	$ 6,860,300,000		$ 6,860,300,000		$ 5,194,500,000								$ 1,500

Related Party Transactions Schedule of Related Party Transactions - Income Statement (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014
Related Party Transaction [Line Items]
Accrued investment income	$ 165.8		$ 165.8		$ 184.9
Fortress Investment Group [Member]
Related Party Transaction [Line Items]
Accrued investment income	2.2		2.2		1.9
Related Party Transaction, Due from (to) Related Party, Noncurrent	205.0		205.0		196.8
Fixed Maturities [Member] \| Fortress Investment Group [Member]
Related Party Transaction [Line Items]
Available-for-sale Securities, Noncurrent	202.8		202.8		194.9
Net Investment Income	1.9	6.2	0.9	0.9
Fixed Maturities [Member] \| Leucadia [Member]
Related Party Transaction [Line Items]
Net Investment Income	0	0	1.3	1.3
Fixed Maturities [Member] \| Jefferies [Member]
Related Party Transaction [Line Items]
Net Investment Income	$ 0	$ 0	$ 0.9	$ 2.6

Segment Data - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015 Segment	Jun. 30, 2014
Segment Reporting Information [Line Items]
Asset Impairment Charges	$ 113.9	$ (0.3)	$ 613.4	$ 82.5
Number of reporting segments			4
Insurance Segment [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges	16.2		58.6
Asset Management segment [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges			72.2
Radioshack [Member] \| Insurance Segment [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges			40.0
Radioshack [Member] \| Asset Management segment [Member]
Segment Reporting Information [Line Items]
Asset Impairment Charges			$ 24.8

Segment Data - Segment Information (Detail) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Sep. 30, 2014

Segment Reporting Information [Line Items]

Document Fiscal Year Focus

2015

Revenues:

$ 1,553.5

$ 1,599.4

$ 4,363.4

$ 4,450.6

74.5

229.1

(282.5)

424.6

Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock

(154.0)

(77.9)

(320.1)

(239.1)

(38.0)

12.7

3.0

8.5

0.5

(Loss) income from continuing operations before income taxes

36.8

6.0

223.3

(10.5)

(39.7)

195.2

(370.8)

162.8

32,970.0

30,100.2

Consolidated cash provided from operating activities

(164.9)

164.4

Total segments [Member]

Revenues:

1,551.3

1,594.7

4,320.7

4,445.9

115.6

267.0

(93.1)

522.8

Consolidated cash provided from operating activities

(72.7)

262.1

Intersegment elimination [Member]

Revenues:

19.0

^[1]

(2.2)

^[1]

108.4

^[1]

(9.5)

^[1]

17.5

^[1]

(2.0)

^[1]

66.8

^[1]

(9.7)

^[1]

(Loss) income from continuing operations before income taxes

(4.0)

(4.1)

415.1

(160.3)

Other Financial Services [Member]

(14.2)

3.1

Asset Management segment [Member]

Revenues:

7.2

11.3

20.3

25.6

(82.7)

3.2

(Loss) income from continuing operations before income taxes

(1.4)

(0.7)

(98.9)

(1.9)

452.4

692.5

Consolidated cash provided from operating activities

(6.4)

(1.2)

Energy Segment [Member]

Revenues:

24.3

37.6

84.6

112.3

(114.3)

8.6

(470.6)

(57.2)

(7.3)

(5.9)

(Loss) income from continuing operations before income taxes

162.8

(12.4)

(321.9)

(82.3)

394.8

504.8

Consolidated cash provided from operating activities

9.8

34.8

Insurance Segment [Member]

Revenues:

253.3

419.5

725.1

1,066.7

90.9

108.6

53.7

220.2

(17.8)

(16.9)

(Loss) income from continuing operations before income taxes

(44.8)

201.7

24,524.0

23,195.8

Consolidated cash provided from operating activities

82.7

279.4

Consumer Products Segment [Member]

Revenues:

1,247.5

1,128.5

3,382.3

3,250.8

135.7

148.7

339.7

366.3

(206.5)

(151.7)

(Loss) income from continuing operations before income taxes

(5.6)

(4.4)

127.6

210.2

7,472.2

5,513.0

Consolidated cash provided from operating activities

(158.8)

(50.9)

Corporate expenses [Member]

Revenues:

2.2

4.7

42.7

4.7

(41.1)

(37.9)

(189.4)

(98.2)

Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock

(88.5)

(64.6)

12.7

8.5

0.5

(Loss) income from continuing operations before income taxes

71.5

11.1

(447.9)

(4.6)

2,680.9

2,933.1

Corporate Segment [Member]

Consolidated cash provided from operating activities

$ (92.2)

$ (97.7)

[1]

Consolidating Financial Information - Schedule of Balance Sheet Information (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013
Assets:
Investments	$ 19,497.9	$ 19,252.5
Cash and cash equivalents	1,293.2	1,319.2	1,455.9	1,899.7
Receivables, net	754.7	585.1
Inventories, net	903.7	635.2
Accrued investment income	165.8	184.9
Reinsurance recoverable	2,382.2	2,397.6
Deferred tax assets	275.9	186.7
Properties, including oil and natural gas properties, net	855.8	908.6
Goodwill	2,498.7	1,524.8
Intangibles, including deferred acquisition costs and value of business acquired, net	3,386.0	2,683.7
Other assets	956.1	421.9
Total assets	32,970.0	30,100.2
Liabilities and Equity:
Debt	6,781.3	5,061.1
Employee benefit obligations	78.5	86.2
Deferred tax liabilities	611.7	533.3
Total liabilities	31,098.2	27,843.2
Total stockholders' equity	839.7	1,441.6
Noncontrolling interests	1,032.1	815.4
Total permanent equity	1,871.8	2,257.0
Total liabilities and equity	32,970.0	30,100.2
Consolidated Entities [Member]
Assets:
Investments	19,497.9	19,252.5
Cash and cash equivalents	1,293.2	1,319.2
Receivables, net	754.7	585.1
Inventories, net	903.7	635.2
Accrued investment income	165.8	184.9
Reinsurance recoverable	2,382.2	2,397.6
Deferred tax assets	275.9	186.7
Properties, including oil and natural gas properties, net	855.8	908.6
Goodwill	2,498.7	1,524.8
Intangibles, including deferred acquisition costs and value of business acquired, net	3,386.0	2,683.7
Other assets	956.1	421.9
Total assets	32,970.0	30,100.2
Liabilities and Equity:
Insurance reserves	21,861.1	20,215.1
Debt	6,832.7	5,157.8
Accounts payable and other current liabilities	927.2	1,033.0
Employee benefit obligations	78.5	86.2
Deferred tax liabilities	611.7	533.3
Other liabilities	787.0	817.8
Total liabilities	31,098.2	27,843.2
Total stockholders' equity	839.7	1,441.6
Noncontrolling interests	1,032.1	815.4
Total permanent equity	1,871.8	2,257.0
Total liabilities and equity	32,970.0	30,100.2
Consolidation, Eliminations [Member]
Assets:
Investments	(271.1)	(246.5)
Investments in subsidiaries and affiliates	(2,173.6)	(2,306.1)
Affiliated loans and receivables	(109.0)	(185.7)
Accrued investment income	(0.6)	(0.6)
Deferred tax assets		(0.1)
Total assets	(2,554.3)	(2,739.0)
Liabilities and Equity:
Insurance reserves	0
Accounts payable and other current liabilities	0.5	0.5
Employee benefit obligations	0
Deferred tax liabilities	8.7	0.1
Other liabilities	0.5
Affiliated debt and payables	(412.4)	(431.4)
Total liabilities	(402.7)	(430.8)
Total stockholders' equity	(2,151.6)	(2,308.2)
Noncontrolling interests	0
Total permanent equity	(2,151.6)	(2,308.2)
Total liabilities and equity	(2,554.3)	(2,739.0)
Corporate and Other [Member]
Assets:
Investments	41.9	93.7
Investments in subsidiaries and affiliates	2,239.9	2,237.9
Affiliated loans and receivables	0.1
Cash and cash equivalents	351.8	423.1
Receivables, net	10.4	43.1
Inventories, net		10.7
Deferred tax assets	1.1	1.1
Properties, including oil and natural gas properties, net	1.1	2.5
Goodwill		44.5
Intangibles, including deferred acquisition costs and value of business acquired, net		41.8
Other assets	34.6	34.7
Total assets	2,680.9	2,933.1
Liabilities and Equity:
Debt	1,736.4	1,325.0
Accounts payable and other current liabilities	98.3	104.6
Employee benefit obligations	4.0	4.3
Deferred tax liabilities	1.1	17.2
Other liabilities	0.9	1.1
Affiliated debt and payables	0.5	34.8
Total liabilities	1,841.2	1,487.0
Total stockholders' equity	839.7	1,441.6
Noncontrolling interests	0	4.5
Total permanent equity	839.7	1,446.1
Total liabilities and equity	2,680.9	2,933.1
Asset Management segment [Member]
Assets:
Investments	303.4	584.6
Affiliated loans and receivables	0.8	28.5
Cash and cash equivalents	125.7	53.5
Receivables, net	1.1	0.9
Accrued investment income	2.1	3.7
Deferred tax assets	0.1
Properties, including oil and natural gas properties, net	1.3	1.4
Goodwill	10.7	10.7
Other assets	7.2	9.2
Total assets	452.4	692.5
Liabilities and Equity:
Insurance reserves	0
Debt	123.6	298.7
Accounts payable and other current liabilities	9.2	8.5
Employee benefit obligations	0
Deferred tax liabilities	0
Other liabilities	25.0	19.3
Affiliated debt and payables	311.0	286.5
Total liabilities	468.8	613.0
Total stockholders' equity	(12.2)	68.2
Noncontrolling interests	(4.2)	11.3
Total permanent equity	(16.4)	79.5
Total liabilities and equity	452.4	692.5
Energy Segment [Member]
Assets:
Cash and cash equivalents	31.8	14.2
Receivables, net	21.4	23.7
Properties, including oil and natural gas properties, net	339.5	464.4
Other assets	2.1	2.5
Total assets	394.8	504.8
Liabilities and Equity:
Debt	327.0	243.2
Accounts payable and other current liabilities	30.7	31.3
Employee benefit obligations	0
Other liabilities	38.8	27.3
Affiliated debt and payables	100.0	102.3
Total liabilities	496.5	404.1
Total stockholders' equity	(101.7)	100.7
Total permanent equity	(101.7)	100.7
Total liabilities and equity	394.8	504.8
Insurance Segment [Member]
Assets:
Investments	19,423.7	18,820.7
Investments in subsidiaries and affiliates	(66.3)	68.2
Affiliated loans and receivables	108.1	157.2
Cash and cash equivalents	676.7	633.8
Receivables, net	0.4	2.1
Accrued investment income	164.3	181.8
Reinsurance recoverable	2,382.2	2,397.6
Deferred tax assets	229.8	139.0
Properties, including oil and natural gas properties, net	13.8	11.4
Intangibles, including deferred acquisition costs and value of business acquired, net	857.9	550.4
Other assets	733.4	233.6
Total assets	24,524.0	23,195.8
Liabilities and Equity:
Insurance reserves	21,861.1	20,215.1
Debt	300.0	300.0
Accounts payable and other current liabilities	37.2	71.9
Employee benefit obligations	0
Deferred tax liabilities	0
Other liabilities	694.3	748.9
Affiliated debt and payables	0.9	7.8
Total liabilities	22,893.5	21,343.7
Total stockholders' equity	1,329.7	1,526.9
Noncontrolling interests	300.8	325.2
Total permanent equity	1,630.5	1,852.1
Total liabilities and equity	24,524.0	23,195.8
Consumer Products Segment [Member]
Assets:
Cash and cash equivalents	107.2	194.6
Receivables, net	721.4	515.3
Inventories, net	903.7	624.5
Deferred tax assets	44.9	46.7
Properties, including oil and natural gas properties, net	500.1	428.9
Goodwill	2,488.0	1,469.6
Intangibles, including deferred acquisition costs and value of business acquired, net	2,528.1	2,091.5
Other assets	178.8	141.9
Total assets	7,472.2	5,513.0
Liabilities and Equity:
Debt	4,345.7	2,990.9
Accounts payable and other current liabilities	751.3	816.2
Employee benefit obligations	74.5	81.9
Deferred tax liabilities	601.9	516.0
Other liabilities	27.5	21.2
Total liabilities	5,800.9	4,426.2
Total stockholders' equity	935.8	612.4
Noncontrolling interests	735.5	474.4
Total permanent equity	1,671.3	1,086.8
Total liabilities and equity	$ 7,472.2	$ 5,513.0

Consolidating Financial Information - Schedule of Income Statement Information (Detail) (USD $)
In Millions, unless otherwise specified

3 Months Ended

9 Months Ended

Jun. 30, 2015

Jun. 30, 2014

Jun. 30, 2015

Jun. 30, 2014

Revenues:

$ 1,249.7

$ 1,133.2

$ 3,425.0

$ 3,255.5

Oil and natural gas

24.3

37.6

84.6

112.3

Insurance premiums

17.8

13.3

44.0

42.0

231.6

210.9

687.4

618.5

5.7

184.6

53.8

367.4

24.4

19.8

68.6

54.9

1,553.5

1,599.4

4,363.4

4,450.6

Oil and natural gas direct operating costs

791.3

714.9

2,210.3

2,096.4

22.3

17.7

66.1

50.9

Benefits and other changes in policy reserves

56.3

265.1

493.0

696.3

Selling, acquisition, operating and general expenses

395.6

332.2

1,113.5

978.4

113.9

(0.3)

613.4

82.5

439.4

81.0

99.6

40.7

149.6

121.5

1,479.0

1,370.3

4,645.9

4,026.0

74.5

229.1

(282.5)

424.6

(154.0)

(77.9)

(320.1)

(239.1)

(Loss) income from continuing operations before income taxes

36.8

6.0

223.3

(10.5)

(39.7)

195.2

(370.8)

162.8

1.7

53.7

14.5

78.7

Less: Net income attributable to noncontrolling interest

(41.4)

141.5

(385.3)

84.1

34.2

43.2

28.4

88.1

Net income (loss) attributable to controlling interest

(75.6)

98.3

(413.7)

(4.0)

Less: Preferred stock dividends and accretion

49.3

73.6

Net income (loss) attributable to common and participating preferred stockholders

(75.6)

49.0

(413.7)

(77.6)

Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock

(38.0)

12.7

3.0

8.5

0.5

Consolidated Entities [Member]

Revenues:

3,425.0

3,255.5

Oil and natural gas

112.3

Insurance premiums

44.0

42.0

687.4

618.5

53.8

367.4

68.6

54.9

4,363.4

4,450.6

Oil and natural gas direct operating costs

2,210.3

2,096.4

50.9

Benefits and other changes in policy reserves

493.0

696.3

Selling, acquisition, operating and general expenses

1,113.5

978.4

613.4

82.5

149.6

121.5

4,645.9

4,026.0

(282.5)

424.6

(320.1)

(239.1)

(Loss) income from continuing operations before income taxes

223.3

(10.5)

(370.8)

14.5

78.7

Less: Net income attributable to noncontrolling interest

(385.3)

84.1

28.4

88.1

Net income (loss) attributable to controlling interest

(413.7)

(4.0)

Less: Preferred stock dividends and accretion

73.6

Net income (loss) attributable to common and participating preferred stockholders

(77.6)

Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock

12.7

8.5

0.5

Intersegment elimination [Member]

Revenues:

(11.1)

(10.0)

119.5

0.5

19.0

^[1]

(2.2)

^[1]

108.4

^[1]

(9.5)

^[1]

41.6

0.2

41.6

0.2

Equity in net income (losses) of subsidiaries

17.5

^[1]

(2.0)

^[1]

66.8

^[1]

(9.7)

^[1]

327.8

(158.0)

(24.5)

(11.5)

(Loss) income from continuing operations before income taxes

(4.0)

(4.1)

415.1

(160.3)

7.6

(0.2)

Net income (loss) attributable to controlling interest

407.5

(160.1)

407.5

(160.1)

Net income (loss) attributable to common and participating preferred stockholders

(160.1)

Corporate and Other [Member]

Revenues:

42.7

4.7

2.2

4.7

42.7

4.7

Selling, acquisition, operating and general expenses

30.9

3.5

141.0

99.4

60.2

232.1

102.9

Equity in net income (losses) of subsidiaries

(41.1)

(37.9)

(189.4)

(98.2)

(247.1)

159.8

(88.5)

(64.6)

2.9

0.5

(Loss) income from continuing operations before income taxes

71.5

11.1

(447.9)

(4.6)

(13.2)

Less: Net income attributable to noncontrolling interest

(434.7)

(4.6)

(21.0)

(0.6)

Net income (loss) attributable to controlling interest

(413.7)

(4.0)

Less: Preferred stock dividends and accretion

73.6

Net income (loss) attributable to common and participating preferred stockholders

(77.6)

Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock

12.7

8.5

0.5

Other Financial Services [Member]

(14.2)

3.1

Asset Management segment [Member]

Revenues:

20.2

25.6

0.1

7.2

11.3

20.3

25.6

Selling, acquisition, operating and general expenses

30.8

21.1

72.2

1.3

103.0

22.4

(82.7)

3.2

14.8

4.4

(Loss) income from continuing operations before income taxes

(1.4)

(0.7)

(98.9)

(1.9)

(0.1)

Less: Net income attributable to noncontrolling interest

(98.9)

(1.8)

(18.2)

Net income (loss) attributable to controlling interest

(80.7)

(1.8)

Net income (loss) attributable to common and participating preferred stockholders

(1.8)

Energy Segment [Member]

Revenues:

Oil and natural gas

84.6

112.3

24.3

37.6

84.6

112.3

Oil and natural gas direct operating costs

66.1

50.9

Selling, acquisition, operating and general expenses

49.7

37.6

102.8

439.4

81.0

555.2

169.5

(114.3)

8.6

(470.6)

(57.2)

(7.3)

(5.9)

6.8

(Loss) income from continuing operations before income taxes

162.8

(12.4)

(321.9)

(82.3)

Less: Net income attributable to noncontrolling interest

(321.9)

(82.3)

(0.8)

Net income (loss) attributable to controlling interest

(321.1)

(82.3)

Net income (loss) attributable to common and participating preferred stockholders

(82.3)

Insurance Segment [Member]

Revenues:

Insurance premiums

44.0

42.0

678.3

602.9

(65.7)

366.9

68.5

54.9

253.3

419.5

725.1

1,066.7

Benefits and other changes in policy reserves

493.0

696.3

Selling, acquisition, operating and general expenses

92.8

89.9

16.2

58.6

85.6

60.3

671.4

846.5

Equity in net income (losses) of subsidiaries

90.9

108.6

53.7

220.2

(80.7)

(1.8)

(17.8)

(16.9)

(Loss) income from continuing operations before income taxes

(0.2)

(44.8)

201.7

15.3

35.2

Less: Net income attributable to noncontrolling interest

(60.1)

166.5

17.1

19.7

Net income (loss) attributable to controlling interest

(77.2)

146.8

Net income (loss) attributable to common and participating preferred stockholders

146.8

Consumer Products Segment [Member]

Revenues:

3,382.3

3,250.8

1,247.5

1,128.5

3,382.3

3,250.8

Selling, acquisition, operating and general expenses

2,179.4

2,092.9

799.2

730.4

64.0

61.2

3,042.6

2,884.5

135.7

148.7

339.7

366.3

(206.5)

(151.7)

(Loss) income from continuing operations before income taxes

(5.6)

(4.4)

127.6

210.2

4.8

43.8

Less: Net income attributable to noncontrolling interest

122.8

166.4

51.3

69.0

Net income (loss) attributable to controlling interest

71.5

97.4

Net income (loss) attributable to common and participating preferred stockholders

97.4