Derivative Financial Instruments - Additional Information (Detail) (USD $)	12 Months Ended										12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2013 Futures contracts Contract	Sep. 30, 2012 Futures contracts Contract	Feb. 14, 2013 Swap Natural Gas Commodity Contract MMBTU	Sep. 30, 2013 Spectrum Brands	Sep. 30, 2012 Spectrum Brands	Sep. 30, 2013 Spectrum Brands Standby Letters of Credit	Sep. 30, 2012 Spectrum Brands Standby Letters of Credit	Sep. 30, 2013 Spectrum Brands Zinc Commodity Swap Contract T	Sep. 30, 2012 Spectrum Brands Zinc Commodity Swap Contract T	Sep. 30, 2013 Spectrum Brands Brass Commodity Contract T	Sep. 30, 2013 Spectrum Brands Silver Commodity Swap Contract ozt	Sep. 30, 2012 Spectrum Brands Commodity contracts	Sep. 30, 2013 Spectrum Brands Foreign exchange contracts	Sep. 30, 2012 Spectrum Brands Foreign exchange contracts	Sep. 30, 2013 Remainder of 2013 Swap Natural Gas Commodity Contract	Sep. 30, 2013 Remainder of 2013 Swap Oil Commodity Contract	Feb. 14, 2013 Remainder of 2013 Swap Oil Commodity Contract MBbls	Sep. 30, 2013 2014 Swap Natural Gas Commodity Contract	Sep. 30, 2013 2014 Swap Oil Commodity Contract
Derivative Financial Instruments [Line Items]
Contract value											$ 16,200,000	$ 29,200,000	$ 7,400,000	$ 1,000,000		$ 255,900,000	$ 202,500,000
Derivative net loss/gain															900,000	(1,400,000)	(800,000)
Derivative net loss/gain, net of tax benefit/expense															(300,000)	600,000	(600,000)
Derivative net loss/gain, non-controlling interest															700,000	900,000	600,000
Estimated amount of derivative net losses/gains to be reclassified from AOCI into earnings over the next twelve months	900,000	(3,100,000)	(13,200,000)													1,300,000
Derivative, Notional Amount	6,407,400,000	5,830,400,000					108,500,000	172,600,000
Weight of raw materials under derivative contract											8	15	1	45
Derivative, mitigating price volatility, natural gas covered						13,365,300,000
Derivative, mitigating price volatility, oil covered																				408,000
Derivative, average forward price																		102.05	3.64		96.31	3.86
Percentage of production volume covered by derivative financial instruments	74.00%
Credit risk derivative assets, at fair value								100,000
Cash collateral				5,900,000	9,800,000		500,000	100,000
Credit Derivative, Maximum Exposure, Undiscounted	149,800,000	200,700,000
Standby letters of credit									$ 0	$ 0
Number of instruments held				1,693	2,835
Call Option Purchased, 1 Year	1 year
Call Option Purchased, 2 Year	2 years
Call Option Purchased, 3 Year	3 years