Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Provision for Income Taxes
Income tax expense (benefit)	$ 30.8	$ 41.2	$ 80.6	$ 93.0
Effective tax rates (as a percent)	25.80%	31.90%	26.60%	31.80%
Unrecognized tax benefits, excluding penalties and interest	$ 57.7		$ 57.7		$ 54.9
Accrued interest and penalties related to uncertain tax positions	5.1		5.1		$ 4.2
Penalties and interest (benefit) expense relating to unrecognized tax benefits	$ 0.2	$ 0.4	$ 0.8	$ 0.9
Statutory tax rate (as a percent)			21.00%
Change in tax rate - foreign jurisdictions (as a percent)			5.70%
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%