Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective tax rate (percent)	18.60%	31.00%	18.50%	25.80%
Unrecognized tax benefits	$ 9.2		$ 9.2
Unrecognized tax benefits that would decrease the effective tax rate if recognized	8.9		8.9
Unrecognized tax benefits, penalties accrued	$ 0.6		$ 0.6

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

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Amount of unrecognized tax benefits.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its 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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