Accumulated Other Comprehensive Earnings (Loss) - Reclassification from AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net	$ (9,727)	$ (3,053)	$ (4,233)	$ (9,070)
Cost of goods sold	50,589	66,221	117,334	131,332
Total before tax	(10,220)	(15,568)	(25,470)	(27,343)
Tax expense (benefit)	2,838	4,024	6,112	6,888
Net of tax	(7,382)	(11,544)	(19,358)	(20,455)
Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Total before tax	(168)	(218)	(253)	(503)
Tax expense (benefit)	40	53	61	122
Net of tax	(128)	(165)	(192)	(381)
Foreign Currency Derivatives | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net	169		267
Commodity Derivatives | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of goods sold		$ 162	$ 155	$ 258
Type of Cost, Good or Service [Extensible List]		Product [Member]	Product [Member]	Product [Member]
Postretirement and Pension Benefits | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net	$ (337)	$ (380)	$ (675)	$ (761)