Debt (Details 1) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Line of Credit Facility
Debt, Current	$ 1.1	$ 31.3
Line of Credit Facility, Commitment Fee Amount	$ 0.1
Debt, Weighted Average Interest Rate	4.80%
Debt, Weighted Average Interest Rate, net of Currency Swap Contract	4.10%
Revolving Credit Facility
Line of Credit Facility
Outstanding Borrowings	$ 165.0
Revolving Credit Facility | JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Indebtedness to Adjusted EBITDA Ratio, Maximum	4.00
Debt Instrument, Covenant, Adjusted EBITDA to Interest Expense Ratio, Maximum	3.50
Debt Instrument, Covenant, Senior Secured Net Indebtedness to Adjusted EBITDA Ratio, Maximum	3.50
Line of Credit
Line of Credit Facility
Debt, Current	$ 1.0
Letter of Credit
Line of Credit Facility
Debt Instrument, Unused Borrowing Capacity, Amount	31.8
Letters of Credit Outstanding, Amount	$ 3.2