Other Intangible Assets, Net (Amortization Expense Related To Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 20.8	$ 16.3
Computer Software [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	2.1	1.8
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	17.6	13.4
Trademarks/Brands [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	0.6	0.6
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 0.5	$ 0.5