Derivative Instruments (Fair Values of Instruments) (Details) - USD ($) $ in Millions	Apr. 03, 2016	Jan. 03, 2016
Fair values of derivative financial instruments
Total asset/(liability) derivatives	$ 1.0	$ (11.8)
Designated as Hedging Instrument
Fair values of derivative financial instruments
Total asset/(liability) derivatives	0.0	(6.0)
Not Designated as Hedging Instrument
Fair values of derivative financial instruments
Total asset/(liability) derivatives	1.0	(5.8)
Foreign Exchange Contract | Designated as Hedging Instrument | Other assets
Fair values of derivative financial instruments
Total asset/(liability) derivatives	0.8	0.0
Foreign Exchange Contract | Designated as Hedging Instrument | Accrued liabilities
Fair values of derivative financial instruments
Total asset/(liability) derivatives	0.0	(4.7)
Foreign Exchange Contract | Designated as Hedging Instrument | Other long-term liabilities
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(0.8)	(1.3)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Accrued liabilities
Fair values of derivative financial instruments
Total asset/(liability) derivatives	(1.8)	(6.0)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other current assets
Fair values of derivative financial instruments
Total asset/(liability) derivatives	$ 2.8	$ 0.2