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Employee Benefit Plans - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Noncontrolling interest $ (8,520) $ (3,681) $ 3,322
Pension and deferred compensation benefit obligation 260,720 228,662  
Fair value of plan assets 168,621 [1] 143,668 [1]  
Weighted average expected long-term rate of return 6.30%    
Spectrum Brands [Member]
      
Period of amount paid for agreement 15 years    
Number of installment paid for deferred amount 15    
Employee Benefit Obligations [Member]
      
Employee benefit obligations 92,099 84,994  
Unrecognized net (losses)Included in accumulated other comprehensive income (21,306) (13,788)  
Net of tax 4,392 1,542  
Noncontrolling interest 14,239 10,082  
Net loss in AOCI expected to be recognized during next fiscal year 1,204    
U.S. defined benefit plan assets [Member]
      
Pension and deferred compensation benefit obligation 95,494 86,801  
Fair value of plan assets 66,415 56,609  
Weighted average discount rate 4.40% 5.00%  
Weighted average expected return on plan assets 7.60% 7.60%  
International defined benefit plan assets [Member]
      
Pension and deferred compensation benefit obligation 165,226 141,861  
Fair value of plan assets 102,206 87,059  
Weighted average discount rate 5.30% 4.90%  
Weighted average expected return on plan assets 5.40% 5.40%  
Defined contribution pension plan [Member]
      
Defined contribution pension plans for employees 4.00%    
Aggregate contributions charged for defined contribution plans $ 2,795 $ 5,346 $ 3,471
Defined contribution pension plan [Member] | FGL [Member]
      
Defined contribution pension plans for employees 5.00%    
[1] The fair value measurements of the Company's defined benefit plan assets are based on unadjusted quoted prices for identical assets and liabilities in active markets (Level 1) for mutual funds and observable market price inputs (Level 2) for common collective trusts and other investments. Each collective trust's valuation is based on its calculation of net asset value per share reflecting the fair value of its underlying investments. Since each of these collective trusts allows redemptions at net asset value per share at the measurement date, its valuation is categorized as a Level 2 fair value measurement. The fair values of insurance contracts and other investments are also based on observable market price inputs (Level 2).