Summary Of Significant Accounting Policies (Other Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011	Sep. 30, 2010
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 1,776.2	$ 1,908.8
Accumulated Amortization	(259.7)	(181.8)
Net Amount	1,516.5	1,727.0
Computer Software [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	75.3	66.0
Accumulated Amortization	(46.2)	(38.4)
Net Amount	29.1	27.6
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	836.9	840.1
Accumulated Amortization	(176.8)	(115.9)
Net Amount	660.1	724.2
Trademarks/Brands [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	126.5	126.5
Accumulated Amortization	(26.6)	(19.3)
Net Amount	99.9	107.2
Other Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	13.1	13.1
Accumulated Amortization	(10.1)	(8.2)
Net Amount	3.0	4.9
Subject To Amortization [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,051.8	1,045.7
Accumulated Amortization	(259.7)	(181.8)
Net Amount	792.1	863.9
Trademarks/Brands [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	724.4	863.1
Net Amount	$ 724.4	$ 863.1