Derivative Instruments and Hedging Activities - Non-designated Derivatives (Details) - Non-designated derivatives: - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	$ (2.7)	$ (5.9)	$ (5.0)	$ 1.2
Foreign currency forward contracts | Other (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	(3.1)	(7.0)	(5.9)	(0.2)
Foreign currency forward contracts | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized against Earnings	$ 0.4	$ 1.1	$ 0.9	$ 1.4