Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Changes in accumulated other comprehensive income (loss), net of tax
Beginning balance	$ 671.9
Net current-period other comprehensive loss	(1.5)	$ (8.0)
Ending balance	669.8	$ 650.6
Currency Translation Adjustments
Changes in accumulated other comprehensive income (loss), net of tax
Beginning balance	(126.8)
Net current-period other comprehensive loss	(1.2)
Ending balance	(128.0)
Pension Plans
Changes in accumulated other comprehensive income (loss), net of tax
Beginning balance	(2.7)
Net current-period other comprehensive loss	(0.2)
Ending balance	(2.9)
Hedging Activities
Changes in accumulated other comprehensive income (loss), net of tax
Beginning balance	0.1
Net current-period other comprehensive loss	(0.1)
Ending balance	0.0
Accumulated Other Comprehensive Loss
Changes in accumulated other comprehensive income (loss), net of tax
Beginning balance	(129.4)
Net current-period other comprehensive loss	(1.5)
Ending balance	$ (130.9)