Financial Instruments (Fair Value Of Derivative Instruments Included Within Condensed Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives Fair Value	$ 25.4	$ 23.3
Liability Derivatives Fair Value	3.0	11.0
Designated [Member] | Interest Rate Swaps [Member] | Other Assets [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives Fair Value	15.7	19.0
Liability Derivatives Fair Value
Not Designated [Member] | Foreign Currency Forwards [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives Fair Value	9.7	4.3
Liability Derivatives Fair Value	3.0	11.0
Not Designated [Member] | Foreign Currency Forwards [Member] | Prepaid Expenses And Other Assets [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives Fair Value	9.7	4.3
Liability Derivatives Fair Value
Not Designated [Member] | Foreign Currency Forwards [Member] | Other Accrued Liabilities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives Fair Value
Liability Derivatives Fair Value	$ 3.0	$ 11.0