v2.4.0.8
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Nov. 22, 2013
Mar. 31, 2013
Document Documentand Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Sep. 30, 2013    
Entity Public Float     $ 271.1
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Trading Symbol HRG    
Entity Registrant Name HARBINGER GROUP INC.    
Entity Central Index Key 0000109177    
Current Fiscal Year End Date --09-30    
Entity Filer Category Accelerated Filer    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   142,382,566