Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Oct. 01, 2021	Oct. 02, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 92.9	$ 35.6	$ 254.7	$ (75.1)
Other comprehensive (loss) income, net of income taxes:
Foreign currency translation adjustments	(25.0)	18.6	(64.3)	14.5
Cash flow hedge adjustments	1.1	1.5	3.6	(7.4)
Pension plan adjustments	0.2	0.2	(0.1)	0.9
Total other comprehensive (loss) income, net of income taxes	(23.7)	20.3	(60.8)	8.0
Comprehensive income (loss)	$ 69.2	$ 55.9	$ 193.9	$ (67.1)