Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Provision for Income Taxes
Income tax expense (benefit)	$ 19.9	$ 19.9	$ 49.8	$ 51.8
Effective tax rates (as a percent)	25.70%	28.60%	27.10%	31.70%
Unrecognized tax benefits, excluding penalties and interest	$ 59.0		$ 59.0		$ 54.9
Accrued interest and penalties related to uncertain tax positions	4.9		4.9		$ 4.2
Penalties and interest (benefit) expense relating to unrecognized tax benefits	$ 0.2	$ 0.2	$ 0.0	$ 0.7
Statutory tax rate (as a percent)			21.00%
Change in tax rate - foreign jurisdictions (as a percent)			0.00%
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%