Income Taxes (Income Tax Provision and Effective Tax Rate) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Income Tax Disclosure [Abstract]
Income tax provision (benefit) and effective tax rate, amount	$ 25.2	$ 48.8	$ 70.2	$ (154.7)
Income tax provision (benefit) and effective tax rate, percent	37.00%	14.20%	32.60%	(35.10%)

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

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+ Details