Condensed Consolidated and Combined Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (93.5)	$ 61.5	$ (110.7)	$ 99.4
Other comprehensive income (loss), net of income taxes:
Foreign currency translation adjustments	33.1	31.2	(4.1)	(6.6)
Cash flow hedge adjustments	0.0	0.0	(8.9)	0.0
Pension plan adjustments	0.3	(0.7)	0.7	(0.6)
Total other comprehensive income (loss), net of income taxes	33.4	30.5	(12.3)	(7.2)
Comprehensive (loss) income	$ (60.1)	$ 92.0	$ (123.0)	$ 92.2