Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Provision for Income Taxes
Income tax expense (benefit)	$ 16.1	$ 19.9	$ 35.9	$ 49.8
Effective tax rates (as a percent)	67.40%	25.70%	37.60%	27.10%
Unrecognized tax benefits, excluding penalties and interest	$ 69.4		$ 69.4		$ 58.5
Accrued interest and penalties related to uncertain tax positions	4.3		4.3		$ 5.8
Penalties and interest (benefit) expense adjustments relating to unrecognized tax benefits	$ (3.4)	$ 0.2	$ (2.2)	$ 0.6
Statutory tax rate (as a percent)			21.00%
Change in tax rate - foreign jurisdictions (as a percent)			4.50%
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%