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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Taxes
Income tax provision (benefit)	$ 25.7	$ 46.5	$ 85.2	$ 238.7
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			6.1
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions			1.3
Foreign Tax Authority
Income Taxes
Remeasurement of income tax	$ 1.0	$ (3.3)	$ (2.9)	$ (2.6)

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Remeasurement of income tax

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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