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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income tax expense	$ 8.8	$ 3.3
Effective income tax rate, continuing operations	18.60%	(0.70%)
Unrecognized tax benefit liability, including penalties and accrued interest	$ 22.4		$ 22.2
CARES Act [Member]
Other Tax Expense (Benefit)		$ (7.5)

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

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