Derivative Instruments (Effect of Derivative Instruments) (Details) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions		3 Months Ended
		Apr. 03, 2016	Mar. 29, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) recognized in AOCI	[1]	$ 4.0	$ (4.6)
Net loss reclassified from AOCI into cost of sales	[1]	(2.2)	(1.4)
Net foreign exchange gain (loss) recognized in other income and expense	[2]	$ (0.2)	$ 0.2

[1] Effective portion, pre-tax

[2] Amount excluded from effectiveness testing