Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Provision for Income Taxes
Income tax expense (benefit)	$ 41.2	$ 20.7	$ 93.0	$ 69.5
Effective tax rates (as a percent)	31.90%	19.00%	31.80%	25.40%
Unrecognized tax benefits, excluding penalties and interest	$ 46.0		$ 46.0		$ 51.4
Accrued interest and penalties related to uncertain tax positions	4.0		4.0		$ 3.1
Penalties and interest (benefit) expense relating to unrecognized tax benefits	$ 0.4	$ 0.2	$ 0.9	$ 0.6
Statutory tax rate (as a percent)			21.00%
Change in tax rate - foreign jurisdictions (as a percent)			5.90%
Germany
Provision for Income Taxes
Statutory tax rate (as a percent)			30.00%
Switzerland
Provision for Income Taxes
Statutory tax rate (as a percent)			20.00%