Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 38.1	$ 106.4
Other comprehensive income (loss):
Foreign currency translation adjustments	(111.6)	(92.2)
Change in fair value of derivative financial instruments, net of tax	(6.0)	(9.4)
Change in post-retirement and pension liability, net of tax	(0.7)	(1.9)
Other comprehensive income (loss), net of tax	(118.3)	(103.5)
Comprehensive income (loss)	$ (80.2)	$ 2.9