Financial Instruments (Schedule Of Location And Fair Value Of Derivative Instruments Segregated Between Designated And Not Designated Hedging Instruments) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 18.1	$ 17.9
Fair value of derivative assets - not designated as hedging instruments		3.8
Fair value of derivative liability - designated as hedging instruments	2.2	6.4
Forward Currency Contracts | Other Current Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	1.0	1.5
Fair value of derivative assets - not designated as hedging instruments		3.8
Forward Currency Contracts | Accrued Expenses
Derivatives, Fair Value [Line Items]
Fair value of derivative liability - designated as hedging instruments	2.2	6.4
Option Currency Contracts | Other Current Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	3.5	4.3
Interest Rate Swap Contract | Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets - designated as hedging instruments	$ 13.6	$ 12.1