Consolidated and Combined Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 33.3	$ 217.6	$ 230.7
Other comprehensive (loss) income, net of income taxes:
Foreign currency translation adjustments	53.9	(42.1)	(85.2)
Cash flow hedge adjustments	(6.4)	0.1	0.0
Pension plan adjustments	4.9	(24.0)	6.6
Total other comprehensive income (loss), net of income taxes	52.4	(66.0)	(78.6)
Comprehensive income	$ 85.7	$ 151.6	$ 152.1