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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
U.S. | Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	$ 0	$ 193	$ 0	$ 386
Interest cost	2,314	1,766	4,628	3,532
Expected return on plan assets	(2,113)	(2,323)	(4,226)	(4,646)
Amortization of prior service cost credit and recognized actuarial gain (loss)	778	222	1,556	444
Net periodic benefit cost (income)	979	(142)	1,958	(284)
U.S. | Other Postretirement Benefits Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	13	22	26	44
Interest cost	205	140	410	280
Amortization of prior service cost credit and recognized actuarial gain (loss)	(609)	(394)	(1,218)	(788)
Net periodic benefit cost (income)	(391)	(232)	(782)	(464)
Non-U.S. | Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	543	692	1,078	1,413
Interest cost	1,315	716	2,610	1,449
Expected return on plan assets	(308)	(252)	(615)	(506)
Amortization of prior service cost credit and recognized actuarial gain (loss)	6	396	12	811
Net periodic benefit cost (income)	1,556	1,552	3,085	3,167
Non-U.S. | Other Postretirement Benefits Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	37	57	75	115
Interest cost	198	167	395	335
Amortization of prior service cost credit and recognized actuarial gain (loss)	(21)	42	(42)	84
Net periodic benefit cost (income)	$ 214	$ 266	$ 428	$ 534