Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 874,475	$ 826,609
Pre-tax amount	(21,664)	12,548
Tax (provision) benefit	(121)	(3)
Reclassification of (gain) loss to net income	(946)	(2,771)
Ending Balance	843,604	874,475
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(52,749)	(58,253)
Pre-tax amount	(21,353)	5,462
Foreign currency translation	3	42
Ending Balance	(74,099)	(52,749)
Unrealized Gain (Loss) on Net Investment Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	1,046	1,046
Ending Balance	1,046	1,046
Unrealized Gain (Loss) on Cash Flow Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	2,290	(1,864)
Pre-tax amount	(311)	6,978
Tax (provision) benefit	(125)	20
Reclassification of (gain) loss to net income	(898)	(2,719)
Foreign currency translation	(8)	(125)
Ending Balance	948	2,290
Unrealized Actuarial Gain (Loss) Related to Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	2,324	2,256
Pre-tax amount		108
Tax (provision) benefit	4	(23)
Reclassification of (gain) loss to net income	(26)	(100)
Foreign currency translation	5	83
Ending Balance	2,307	2,324
Unrealized Gain (Loss) on Postretirement Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	88	40
Reclassification of (gain) loss to net income	(22)	48
Ending Balance	66	88
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(47,001)	(56,775)
Ending Balance	$ (69,732)	$ (47,001)