Derivative Instruments (Effect of Derivative Instruments) (Details) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) recognized in AOCI	$ 4.3	$ (3.7)
Net foreign exchange gain (loss) recognized in other income and expense, net	(0.2)	0.0
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) reclassified from AOCI	(0.6)	1.2
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) reclassified from AOCI	0.8	0.5
Other Operating Income (Expense)
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) reclassified from AOCI	$ 1.8	$ (3.0)