Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Cash paid for income taxes			$ 10.5	$ 8.4	$ 6.8
Foreign earnings repatriated					$ 12.6
Effective income tax rate			(7.50%)	(4.70%)	(3.30%)
Operating loss carryforwards			$ 1.4
Undistributed Earnings of Foreign Subsidiaries			6.4	$ 6.2
Unrecognized tax benefits			0.5
Unrecognized tax benefits that would impact effective tax rate			$ 0.3
Additions for current year tax positions		$ 4.5
Increase (decrease) in liability from prior year due to income tax examination	$ 2.2
Unrecognized tax benefit decrease resulting from settlement with tax authorities	$ 4.5
Minimum
Operating Loss Carryforwards [Line Items]
Expiration date of operating loss carryforwards			Jan. 01, 2020
Tax years subject to examination			2016
Maximum
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate			21.00%	21.00%	35.00%
Expiration date of operating loss carryforwards			Dec. 31, 2037
Foreign
Operating Loss Carryforwards [Line Items]
Proceeds from dividends received					$ 7.0
New York State Division of Taxation and Finance | Minimum
Operating Loss Carryforwards [Line Items]
Year income tax examination has been completed			2014
New York State Division of Taxation and Finance | Maximum
Operating Loss Carryforwards [Line Items]
Year income tax examination has been completed			2015