CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,094	$ (56,421)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(3,014)	(9,957)
Pension liability adjustment, net of taxes of $0.1 million and $0.1 million, respectively	365	331
Unrealized gain (loss) on hedging activities, net of taxes of $0.9 million and $0.1 million, respectively	3,018	446
Other comprehensive income (loss)	369	(9,180)
Total comprehensive income (loss)	$ 5,463	$ (65,601)