Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Effective income tax rate (as a percent)		17.20%	21.10%	19.10%	21.00%
Income tax benefit from tax settlement	$ 4.1
Income tax benefit, related interest expense from tax settlement	$ 1.0
Effective income tax rate, decrease from tax settlement (as a percent)		3.80%		2.00%

Income Tax Expense (Benefit), Uncertain Tax Position, Related Interest

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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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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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