Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 71.7	$ (17.2)
Other comprehensive (loss) income, net of income taxes:
Foreign currency translation adjustments	(53.7)	(37.2)
Cash flow hedge adjustments	1.4	(8.9)
Pension plan adjustments	0.2	0.4
Total other comprehensive loss, net of income taxes	(52.1)	(45.7)
Comprehensive income (loss)	$ 19.6	$ (62.9)