Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Taxes [Abstract]
Income Tax Expense (Benefit)	$ 8.7	$ 13.0
Statutory federal tax rate	28.80%
Unrecognized tax benefits	$ 1.6		$ 1.9
Accrued interest and penalties	$ 0.3		$ 0.4

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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

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