Other (Income)/Expense, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Income and Expenses [Abstract]
Currency transaction (gains)/losses	$ (2,028)	$ (3,611)	$ (3,724)	$ (2,930)
Bank fees and amortization of debt issuance costs	81	100	262	303
Pension curtailment gain		(232)		(750)
Components of net periodic pension and postretirement cost other than service	278	264	840	789
Other	41	328	716	1,615
Total	$ (1,628)	$ (3,151)	$ (1,906)	$ (973)