Pension and Other Postretirement Benefits - Net Periodic Pension and Other Postretirement Benefit Costs (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Amortization of actuarial loss (gain)	$ (32)	$ 4	$ (13)	$ 39
Amortization of actuarial loss (gain)	32	(4)	13	(39)
Defined Benefit Pension Plan [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	9	65	25	122
Interest cost	1,541	1,204	3,093	2,675
Expected return on plan assets	(3,387)	(3,150)	(6,603)	(6,498)
Amortization of prior service cost	1	5	3	11
Amortization of actuarial loss (gain)	485	742	1,116	1,316
Net benefit income	(1,351)	(1,134)	(2,366)	(2,374)
Amortization of actuarial loss (gain)	(485)	(742)	(1,116)	(1,316)
Defined Benefit Pension Plan [Member] | Foreign Defined Benefits Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	66	87	138	174
Interest cost	273	211	565	419
Expected return on plan assets	(494)	(491)	(1,021)	(976)
Amortization of prior service cost	(70)	(77)	(145)	(154)
Amortization of actuarial loss (gain)	81	165	167	327
Net benefit income	(144)	(105)	(296)	(210)
Amortization of actuarial loss (gain)	(81)	(165)	(167)	(327)
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	56	66	117	122
Interest cost	65	21	110	91
Amortization of prior service cost	(341)	(261)	(598)	(515)
Net benefit income	$ (188)	$ (178)	$ (358)	$ (341)