Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Income Taxes [Line Items]
Tax Cuts and Jobs Act, income tax benefit	$ 28.9	$ 28.9
Tax Cuts and Jobs Act, transition tax for accumulated foreign earnings, income tax expense	0.7
Operating loss carryforwards, valuation allowance	0.6		$ 1.3
Undistributed earnings of foreign subsidiaries			48.7
Unrecognized tax benefits that would impact effective tax rate	0.2		0.6
Income tax examination, penalties and interest accrued	0.2		0.3
Domestic Tax Authority
Income Taxes [Line Items]
Operating loss carryforwards	2.5		2.0
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	0.4		0.2
Foreign Tax Authority
Income Taxes [Line Items]
Operating loss carryforwards	$ 3.3		$ 5.1