ACCUMULATED OTHER COMPREHENSIVE LOSS - Summary of Changes in AOCI (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 436,670	$ 457,100	$ 477,174
Other comprehensive income (loss)	2,499	3,985	(9,221)
Other Comprehensive income (loss), tax	13	217	(3,045)
Other comprehensive income (loss) net of tax	2,512	4,202	(12,266)
Ending balance	214,603	436,670	457,100
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(26,742)	(30,607)
Other comprehensive income (loss)	3,697	3,865	(9,241)
Other Comprehensive income (loss), tax	(340)	393	(2,923)
Other comprehensive income (loss) net of tax	3,357	4,258	(12,164)
Ending balance	(23,045)	(26,742)	(30,607)
Foreign Currency Hedge
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	4,186	3,904
Other comprehensive income (loss)	(1,198)	282	658
Other Comprehensive income (loss), tax	294	(69)	(162)
Other comprehensive income (loss) net of tax	(904)	213	496
Ending balance	2,988	4,186	3,904
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(8,021)	(7,859)
Other comprehensive income (loss)	0	(162)	(638)
Other Comprehensive income (loss), tax	59	(107)	40
Other comprehensive income (loss) net of tax	59	(269)	(598)
Ending balance	(8,021)	(8,021)	(7,859)
Tax Provision
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	387	170
Other Comprehensive income (loss), tax	13	217
Ending balance	400	387	170
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(30,190)	(34,392)	(19,796)
Other comprehensive income (loss) net of tax	2,512	4,202
Ending balance	$ (27,678)	$ (30,190)	$ (34,392)