Derivative Instruments (Fair Values of Instruments) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Fair values of derivative financial instruments
Total asset/(liability) derivatives	$ (8.2)	$ (8.4)
Designated as Hedging Instrument
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(7.0)	(3.9)
Not Designated as Hedging Instrument
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(1.2)	(4.5)
Foreign Exchange Contract | Designated as Hedging Instrument | Accrued liabilities
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(7.0)	(3.9)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Accrued liabilities
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(2.3)	(4.8)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other current assets
Fair values of derivative financial instruments
Total asset/(liability) derivatives	$ 1.1	$ 0.3