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Employee Benefit Plans - Benefit Obligations and Change in Fair Value of Plan Assets for Pension and Other Postretirement Benefit Plans (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Change in benefit obligation    
Benefit obligation, beginning of year $ 228,662  
Benefit obligation, end of year 260,720  
Change in plan assets    
Fair value of plan assets, beginning of year 143,668 [1]  
Fair value of plan assets, end of year 168,621 [1]  
Range of assumptions:    
Expected return on plan assets 6.30%  
Spectrum Brands [Member] | Pension and Deferred Compensation Benefits [Member]
    
Change in benefit obligation    
Benefit obligation, beginning of year 228,662 234,807
Service cost 2,048 2,543
Interest cost 11,436 11,239
Actuarial (gain) loss 31,251 (9,022)
Participant contributions 182 189
Benefits paid (10,890) (10,189)
Foreign currency exchange rate changes (1,969) (905)
Benefit obligation, end of year 260,720 228,662
Change in plan assets    
Fair value of plan assets, beginning of year 143,668 140,072
Actual return on plan assets 22,290 (501)
Employer contributions 13,612 14,912
Employee contributions 182 189
Benefits paid (10,890) (10,189)
Plan expenses paid   (226)
Foreign currency exchange rate changes (241) (589)
Fair value of plan assets, end of year 168,621 143,668
Accrued Benefit Cost / Funded Status (92,099) (84,994)
Spectrum Brands [Member] | Pension and Deferred Compensation Benefits [Member] | Minimum [Member]
    
Range of assumptions:    
Discount rate 4.00% 4.00%
Expected return on plan assets 4.00% 3.00%
Rate of compensation increase 2.30% 0.00%
Spectrum Brands [Member] | Pension and Deferred Compensation Benefits [Member] | Maximum [Member]
    
Range of assumptions:    
Discount rate 13.50% 13.60%
Expected return on plan assets 7.80% 7.80%
Rate of compensation increase 5.50% 5.50%
Spectrum Brands [Member] | Other Benefits [Member]
    
Change in benefit obligation    
Benefit obligation, beginning of year 542 527
Service cost 12 11
Interest cost 27 27
Actuarial (gain) loss (14) (21)
Benefits paid (1) (2)
Benefit obligation, end of year 566 542
Change in plan assets    
Employer contributions 1 2
Benefits paid (1) (2)
Accrued Benefit Cost / Funded Status $ (566) $ (542)
Range of assumptions:    
Discount rate 4.00% 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).