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Stock Compensation - Additional Information (Detail) (USD $)
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 15 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 15 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2013
HGI [Member]
Jun. 30, 2013
HGI [Member]
HGI's executive bonus plan [Member]
Minimum [Member]
Jun. 30, 2013
HGI [Member]
HGI's executive bonus plan [Member]
Maximum [Member]
Jun. 30, 2013
HGI [Member]
Stock option awards [Member]
Jun. 30, 2013
HGI [Member]
Stock option awards [Member]
Jul. 01, 2012
HGI [Member]
Stock option awards [Member]
Jun. 30, 2013
HGI [Member]
Stock option awards [Member]
Minimum [Member]
Jun. 30, 2013
HGI [Member]
Stock option awards [Member]
Maximum [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock awards [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock awards [Member]
Jul. 01, 2012
HGI [Member]
Restricted stock awards [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock awards [Member]
Minimum [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock awards [Member]
Maximum [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock units [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock units [Member]
Jul. 01, 2012
HGI [Member]
Restricted stock units [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock units [Member]
Minimum [Member]
Jun. 30, 2013
HGI [Member]
Restricted stock units [Member]
Maximum [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Restricted stock awards [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Restricted stock units [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Restricted stock units [Member]
Jul. 01, 2012
Spectrum Brands [Member]
Restricted stock units [Member]
Jul. 01, 2013
Spectrum Brands [Member]
Restricted stock units [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Time Based Restricted Stock Units Vesting Over One Year [Member]
Jul. 01, 2012
Spectrum Brands [Member]
Time Based Restricted Stock Units Vesting Over One Year [Member]
Jul. 01, 2012
Spectrum Brands [Member]
Time Based Restricted Stock Units Vesting Over Two Years [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Performance based restricted stock units vesting over one year [Member]
Jun. 30, 2013
Spectrum Brands [Member]
Performance Based and Time Based Restricted Stock Units Two Year Vesting [Member]
Jul. 01, 2012
Spectrum Brands [Member]
Performance Based and Time Based Restricted Stock Units Two Year Vesting [Member]
Jan. 01, 2012
Spectrum Brands [Member]
Performance Based and Time Based Restricted Stock Units Two Year Vesting [Member]
Jun. 30, 2013
FGL [Member]
Jun. 30, 2013
FGL [Member]
Jun. 30, 2013
FGL [Member]
Cash Settlement [Member]
Jun. 30, 2013
FGL [Member]
Unvested Option Awards to Fair Value [Member]
Jun. 30, 2013
FGL [Member]
Stock option awards [Member]
Jun. 30, 2013
FGL [Member]
Stock option awards [Member]
Jul. 01, 2012
FGL [Member]
Stock option awards [Member]
Jul. 01, 2013
FGL [Member]
Stock option awards [Member]
Jun. 30, 2013
FGL [Member]
Restricted stock units [Member]
Jun. 30, 2013
FGL [Member]
Restricted stock units [Member]
Jun. 30, 2013
EXCO/HGI JV [Member]
Jun. 30, 2013
EXCO/HGI JV [Member]
EXCO/HGI JV Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                                                    
Options, granted       0 1,528,000 2,215,000                                                         194,000 194,000 205,000 207,000        
Vesting period   12 months 36 months       12 months 48 months       7 months 36 months       7 months 12 months                                   3 years 3 years     3 years    
Grant date fair value         $ 5,400,000 $ 3,600,000       $ 27,700,000 $ 3,900,000       $ 100,000 $ 100,000                                     $ 600,000 $ 600,000 $ 600,000 $ 600,000 $ 2,000,000 $ 2,000,000    
Equity intruments other than options granted                    3,256,000 818,000     0 9,000 22,000        30,000 666,000 759,000 42,000 22,000 18,000 42,000 90,000 554,000                     52,000 52,000   102,000
Remaining shares are restricted stock grants                                       644,000 644,000                 699,000                        
Equity instruments other than options, grant date fair value                                         30,200,000 20,800,000                                        
Time-based and vest over period of restricted stock units                                               1 year     1 year 2 years 2 years                          
Dividend equivalent vesting provision                                                             400,000                      
Stock compensation expense                                                                 600,000 100,000                
Compensation cost not yet recognized $ 16,500,000                                                           $ 4,100 $ 4,100                 $ 700,000  
Unrecognized compensation cost expected to recognized, years 2 years 2 months 26 days                                                             2 years 4 months 28 days                 2 years 328 days  
Weighted average remaining contractual term of outstanding stock option awards 8 years 11 months 13 days                                                                                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                                                                   1,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                                                                                   898,000