Pension and Other Post-Retirement Benefit Plans (Detail) - Pension Plan - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
U.S. Pension and Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	281	446
Expected return on plan assets	(519)	(751)
Amortization of prior service cost	74	2
Recognized actuarial loss	2	83
Net (benefit) cost	(162)	(220)
Non-U.S. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	204	285
Expected return on plan assets	(263)	(286)
Amortization of prior service cost	11	12
Recognized actuarial loss	143	137
Net (benefit) cost	$ 95	$ 148