Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective income tax rate		47.60%	16.30%
Total gross liability for unrecognized tax benefits	$ 19.4	$ 19.4		$ 17.0
Deferred tax assets, valuation allowance	19.4	$ 19.4
Tax cuts and jobs act, income tax expense (benefit)	$ 4.5

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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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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Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act.

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Amount of unrecognized tax benefits.

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