Fair Value Measurements, Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified						3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 28, 2013	Dec. 31, 2012	Sep. 28, 2013 Interest Rate Swaps [Member]	Sep. 28, 2013 Interest Rate Swaps [Member] Derivatives Designated as Hedging Instruments Other Current Assets [Member]	Sep. 28, 2013 Interest Rate Swaps [Member] Derivatives Designated as Hedging Instruments Accrued Expense [Member]	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Cost of Revenues [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 29, 2012 Foreign Currency Exchange Contracts [Member] Cost of Revenues [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Cost of Revenues [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 29, 2012 Foreign Currency Exchange Contracts [Member] Cost of Revenues [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Other Expense [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 29, 2012 Foreign Currency Exchange Contracts [Member] Other Expense [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Other Expense [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 29, 2012 Foreign Currency Exchange Contracts [Member] Other Expense [Member] Derivatives Not Designated as Fair Value Hedges	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Other Current Assets [Member]	Dec. 31, 2012 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Other Current Assets [Member]	Sep. 28, 2013 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Accrued Expense [Member]	Dec. 31, 2012 Foreign Currency Exchange Contracts [Member] Derivatives Not Designated as Fair Value Hedges Accrued Expense [Member]
Derivatives Fair Value [Line Items]
Notional Amount Of Derivatives	$ 1,620.0	$ 719.0	$ 575.0
Fair Value - Assets
Derivative Asset, Fair Value				10.5										0.7	1.6
Fair Value - Liabilities
Derivative Liability, Fair Value					2.5											0.8	0.8
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized						$ 1.5	$ 1.2	$ 2.0	$ 2.6	$ (26.8)	$ (8.8)	$ (12.0)	$ (2.2)