Goodwill And Intangible Assets Schedule of Intangibles Subject to Amortization (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	$ 873,861	$ 857,114	$ 911,882
Additions	82,118	4,193
Reclassification into Finite Lived Intangible Assets from Indefinite Lived Intangible Assets	3,450
Amortization of Intangible Assets	63,666	57,695	45,920
Effect of Translation	(5,155)	(1,266)
Intangible assets, net	1,714,929	1,683,909
Finite-Lived Intangible Assets, Average Annual Amortization Expense, Next 5 Years	63,600
Reclassification from Indefinite Lived Intangible Assets to Finite Lived Intangible Assets	(3,450)
Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization, Gross	90,924	71,805
Accumulated Amortization	(22,768)	(13,635)
Intangible Assets Subject to Amortization	68,156	58,170
Amortization of Intangible Assets	9,133	6,817	6,305
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization, Gross	150,829	149,700
Accumulated Amortization	(28,347)	(16,320)
Intangible Assets Subject to Amortization	122,482	133,380
Amortization of Intangible Assets	14,347	12,558	3,750
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization, Gross	796,235	738,937
Accumulated Amortization	(113,012)	(73,373)
Intangible Assets Subject to Amortization	683,223	665,564
Amortization of Intangible Assets	40,186	38,320	35,865
Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Global Batteries and Appliances [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	447,112	481,473	516,324
Additions	0	0
Reclassification into Finite Lived Intangible Assets from Indefinite Lived Intangible Assets	920
Amortization of Intangible Assets	32,892	33,184
Effect of Translation	(2,389)	(1,667)
Intangible assets, net	992,538
Reclassification from Indefinite Lived Intangible Assets to Finite Lived Intangible Assets	(920)
Global Batteries and Appliances [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Global Batteries and Appliances [Member] | Minimum [Member] | Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Global Batteries and Appliances [Member] | Minimum [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year 2 months
Global Batteries and Appliances [Member] | Minimum [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years
Global Batteries and Appliances [Member] | Maximum [Member] | Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	17 years
Global Batteries and Appliances [Member] | Maximum [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Global Pet Supplies [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	264,622	219,243	230,248
Additions	65,118	4,193
Reclassification into Finite Lived Intangible Assets from Indefinite Lived Intangible Assets	2,530
Amortization of Intangible Assets	19,503	15,599
Effect of Translation	(2,766)	401
Intangible assets, net	476,764
Reclassification from Indefinite Lived Intangible Assets to Finite Lived Intangible Assets	(2,530)
Global Pet Supplies [Member] | Minimum [Member] | Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years
Global Pet Supplies [Member] | Maximum [Member] | Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Global Pet Supplies [Member] | Maximum [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years 1 month
Global Pet Supplies [Member] | Maximum [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Home and Garden Business [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets Subject to Amortization	162,127	156,398	165,310
Additions	17,000	0
Reclassification into Finite Lived Intangible Assets from Indefinite Lived Intangible Assets	0
Amortization of Intangible Assets	11,271	8,912
Effect of Translation	0	0
Intangible assets, net	245,627
Reclassification from Indefinite Lived Intangible Assets to Finite Lived Intangible Assets	$ 0
Home and Garden Business [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life
Home and Garden Business [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years