Financial Instruments (Schedule Of Location And Fair Value Of Derivative Instruments Segregated Between Designated And Not Designated Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 16.1	$ 17.9
Fair value of derivative liability - designated as hedging instruments	1.8	6.4
Fair value of derivative assets - not designated as hedging instruments		3.8
Forward Currency Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	1.1	1.5
Fair value of derivative assets - not designated as hedging instruments		3.8
Forward Currency Contracts [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liability - designated as hedging instruments	1.8	6.4
Option Currency Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	3.0	4.3
Interest Rate Swap Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 12.0	$ 12.1