Accumulated Other Comprehensive Income (Loss) and Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity
Beginning Balance	$ 1,579.3	$ 1,232.4
Other comprehensive (loss) income	(25.1)	37.1
Amounts reclassified from accumulated other comprehensive (loss) income, net of income taxes	1.0	1.2
Net current-period other comprehensive (loss) income, net of taxes	(24.1)	38.3
Ending Balance	1,625.2	1,579.3
Accumulated other comprehensive income (loss)
Increase (Decrease) in Stockholders' Equity
Beginning Balance	2.4	(35.9)
Ending Balance	(21.7)	2.4
Foreign currency translation adjustments
Increase (Decrease) in Stockholders' Equity
Beginning Balance	13.8	(25.0)
Other comprehensive (loss) income	(29.0)	38.8
Amounts reclassified from accumulated other comprehensive (loss) income, net of income taxes	0.0	0.0
Net current-period other comprehensive (loss) income, net of taxes	(29.0)	38.8
Ending Balance	(15.2)	13.8
Pension liability adjustments, net of taxes
Increase (Decrease) in Stockholders' Equity
Beginning Balance	(11.4)	(10.9)
Other comprehensive (loss) income	3.9	(1.7)
Amounts reclassified from accumulated other comprehensive (loss) income, net of income taxes	1.0	1.2
Net current-period other comprehensive (loss) income, net of taxes	4.9	(0.5)
Ending Balance	$ (6.5)	$ (11.4)