Derivative Instruments and Hedging Activities - Non-designated Derivatives (Details) - Non-designated derivatives: - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	$ 12.1	$ (8.4)
Foreign currency forward contracts | Other (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	10.4	(8.8)
Foreign currency forward contracts | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	$ 1.7	$ 0.4