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Income Taxes Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective tax rate (percent)	21.30%	(49.60%)	(37.90%)	65.90%
Valuation allowance	$ 74.5		$ 74.5
Tax benefit, CARES Act			42.4
Unrecognized tax benefits	4.0		4.0		$ 12.9
Unrecognized tax benefits, potential decrease amount	$ 0.7		$ 0.7

X

- Definition

Income Taxes Receivable, Income Tax Expense (Benefit), CARES Act

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

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-Publisher FASB
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-SubTopic 10
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- Definition

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

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of unrecognized tax benefits.

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