Pension and Postretirement Benefits other than Pensions - Net Periodic Benefit Cost of Defined Benefit Plans and Other Postretirement Benefit Plans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Foreign Plan [Member] | Pension Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	$ 721	$ 914
Interest cost	733	648
Expected return on plan assets	(254)	(334)
Amortization of prior service cost credit and recognized actuarial gain (loss)	415	932
Net periodic benefit (income) cost	1,615	2,160
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	58	90
Interest cost	168	177
Amortization of prior service cost credit and recognized actuarial gain (loss)	42	190
Net periodic benefit (income) cost	268	457
UNITED STATES | Pension Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	193	223
Interest cost	1,766	1,629
Expected return on plan assets	(2,323)	(3,564)
Amortization of prior service cost credit and recognized actuarial gain (loss)	222	418
Net periodic benefit (income) cost	(142)	(1,294)
UNITED STATES | Other Postretirement Benefits Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	22	26
Interest cost	140	133
Amortization of prior service cost credit and recognized actuarial gain (loss)	(394)	(349)
Net periodic benefit (income) cost	$ (232)	$ (190)