ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification from AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net	$ (18,018)	$ (16,190)	$ (2,724)
Cost of goods sold	300,702	330,097	330,747
Total before tax	(76,262)	(85,404)	(73,206)
Tax expense (benefit)	17,288	20,565	16,401
Net of tax	(58,974)	(64,839)	$ (56,805)
Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Total before tax	(1,025)	(811)
Tax expense (benefit)	248	197
Net of tax	(777)	(614)
Investments | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net		34
Foreign Currency Derivatives | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other income, net	78	62
Commodity Derivatives | Reclassified from Accumulated OCI into Earnings
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of goods sold	$ 247	$ 615
Type of Cost, Good or Service [Extensible List]	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	$ (1,350)	$ (1,522)