Financial Instruments (Schedule Of Location And Fair Values Of Derivative Instruments Segregated Between Designated And Not Designated Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 17.9	$ 5.0
Fair value of derivative liability - designated as hedging instruments	6.4	1.1
Fair value of derivative assets - not designated as hedging instruments	3.8	1.8
Forward Currency Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	1.5	2.8
Fair value of derivative assets - not designated as hedging instruments	3.8
Forward Currency Contracts [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - not designated as hedging instruments		1.8
Forward Currency Contracts [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liability - designated as hedging instruments	6.4	1.1
Option Currency Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	4.3	1.5
Interest Rate Swap Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 12.1	$ 0.7