Derivatives (Schedule Of Outstanding Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Assets	$ 33.8	$ 38.2
Fair Value, Liabilities	0.5	0
Fair Value Of Non Hedge Derivatives Immaterial Assertion	0
Interest Rate Swaps [Member] | Other Noncurrent Assets [Member]
Fair Value, Assets	33.3	35.8
Interest Rate Swaps [Member] | Other Noncurrent Liabilities [Member]
Fair Value, Liabilities	0	0
Foreign Exchange Contract [Member] | Prepaid Expenses And Other [Member]
Fair Value, Assets	0.4	1.9
Foreign Exchange Contract [Member] | Other Accrued Liabilities [Member]
Fair Value, Liabilities	0.4	0
Foreign Exchange Contracts on Intercompany Borrowings [Member] | Prepaid Expenses And Other [Member]
Fair Value, Assets	0.1	0.5
Foreign Exchange Contracts on Intercompany Borrowings [Member] | Other Accrued Liabilities [Member]
Fair Value, Liabilities	$ 0.1	$ 0