Income Taxes (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Income Taxes [Abstract]
Effective tax rate	26.30%	26.30%
Income taxes, impact of previously unrecognized tax benefits	$ 7.5	$ 10.0
Income taxes, impact of real estate repositioning costs and increase in U.K. statutory tax rate		$ 10.7
Unrecognized tax benefits	179.3
Unrecognized tax benefits that would impact effective tax rate	$ 172.7

Income Taxes [Abstract]

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- Definition

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

+ References

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Amount 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 other adjustments.

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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