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, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Pension Plan [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 9	$ 9	$ 19	$ 25
Interest cost	2,484	1,541	4,967	3,093
Expected return on plan assets	(3,596)	(3,387)	(7,192)	(6,603)
Amortization of prior service cost	1	1	3	3
Amortization of actuarial (gain) loss	31	485	61	1,116
Net benefit expense (income)	(1,071)	(1,351)	(2,142)	(2,366)
Defined Benefit Pension Plan [Member] | Foreign Defined Benefits Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	76	66	138	138
Interest cost	468	273	923	565
Expected return on plan assets	(488)	(494)	(959)	(1,021)
Amortization of prior service cost	(69)	(70)	(137)	(145)
Amortization of actuarial (gain) loss	152	81	299	167
Net benefit expense (income)	139	(144)	264	(296)
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	26	56	85	117
Interest cost	140	65	195	110
Amortization of prior service cost	(213)	(341)	(512)	(598)
Amortization of actuarial (gain) loss	(167)	32	(161)	13
Net benefit expense (income)	$ (214)	$ (188)	$ (393)	$ (358)