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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

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Amount of unrecognized tax benefits.

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Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Provision for Income Taxes
Income tax expense (benefit)	$ 14.8	$ 30.8	$ 50.7	$ 80.6
Effective tax rates (as a percent)	26.80%	25.80%	33.60%	26.60%
Unrecognized tax benefits, excluding penalties and interest	$ 71.7		$ 71.7		$ 58.5
Accrued interest and penalties related to uncertain tax positions	3.9		3.9		$ 5.8
Penalties and interest (benefit) expense adjustments relating to unrecognized tax benefits	$ 0.4	$ 0.2	$ (1.8)	$ 0.8
Statutory tax rate (as a percent)			21.00%
Change in tax rate - foreign jurisdictions (as a percent)			5.80%
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%