Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income Expense [Line Items]
Other (Income) expense, net	$ (721)	$ (970)
Gain on sale of assets [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	(72)	4
Results of non-consolidated subsidiaries [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	33	(26)
Foreign Currency Gain (Loss) [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	(408)	(576)
Rents and royalties [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	(128)	(135)
Return on pension assets and other pension costs [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	(78)	168
Curtailment [Member]
Other Income Expense [Line Items]
Other (Income) expense, net		(1,187)
Cost reduction and other charges [Member]
Other Income Expense [Line Items]
Other (Income) expense, net		1,154
Other, net [Member]
Other Income Expense [Line Items]
Other (Income) expense, net	$ (68)	$ (372)