Fair Value Measurements, Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Interest Rate Swaps [Member] Derivatives Designated as Fair Value Hedges	Apr. 02, 2011 Interest Rate Swaps [Member] Derivatives Designated as Fair Value Hedges	Mar. 31, 2012 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges	Apr. 02, 2011 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges	Mar. 31, 2012 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Other Current Assets [Member]	Dec. 31, 2011 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Other Current Assets [Member]	Mar. 31, 2012 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Accrued Expense [Member]	Dec. 31, 2011 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Accrued Expense [Member]
Derivatives Fair Value [Line Items]
Notional Amount Of Derivatives	$ 608.0	$ 449.0
Fair Value - Assets
Derivative Asset, Fair Value	2.0	0.9					2.0	0.9
Fair Value - Liabilities
Derivative Liability, Fair Value	1.3	1.2							1.3	1.2
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized			$ 0	$ 6.4	$ 0.8	$ (26.7)