Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 14.2	$ (49.4)	$ 19.6	$ (116.9)
Other comprehensive income (loss):
Foreign currency translation adjustments	(101.3)	(270.5)	(65.0)	(477.9)
Change in fair value of derivative financial instruments, net of tax	3.9	101.0	15.6	132.5
Change in post-retirement and pension liability, net of tax	(0.6)	(0.8)	(1.7)	(7.5)
Other comprehensive income (loss), net of tax	(98.0)	(170.3)	(51.1)	(352.9)
Comprehensive income (loss)	$ (83.8)	$ (219.7)	$ (31.5)	$ (469.8)