Schedule of Defined Benefit Pension and Postretirement Benefit Plan Assets and Obligation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure
Ending Balance	$ 114,500
UNITED STATES
Defined Benefit Plan Disclosure
Projected benefit obligation, Beginning of year	143,814	$ 192,472
Service cost	1,063	1,588	$ 1,784
Interest cost	6,888	4,886	4,427
Actuarial loss (gain)	3,229	(45,932)
Benefits paid	(10,807)	(9,200)
Liability (gain) loss due to settlement	0	0
Non-U.S. currency movement	0	0
Projected benefit obligation, End of year	144,187	143,814	192,472
Beginning Balance	111,760	149,578
Actual return on plan assets	8,613	(31,835)
Company contributions	3,051	3,217
Benefits paid	(10,807)	(9,200)
Settlements gain	0	0
Non-U.S. currency movement	0	0
Ending Balance	112,617	111,760	149,578
Funded status	(31,570)	(32,054)
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Projected benefit obligation, Beginning of year	29,935	45,774
Service cost	446	784	941
Interest cost	1,057	482	337
Actuarial loss (gain)	2,738	(13,181)
Benefits paid	(947)	(863)
Liability (gain) loss due to settlement	(254)	0
Non-U.S. currency movement	1,009	(3,061)
Projected benefit obligation, End of year	33,984	29,935	45,774
Beginning Balance	2,087	2,017
Actual return on plan assets	43	153
Company contributions	1,028	949
Benefits paid	(947)	(863)
Settlements gain	(254)	0
Non-U.S. currency movement	(28)	(169)
Ending Balance	1,929	2,087	2,017
Funded status	(32,055)	(27,848)
Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Projected benefit obligation, Beginning of year	5,345	7,210
Service cost	34	64	64
Interest cost	299	177	170
Actuarial loss (gain)	155	(1,155)
Benefits paid	(1,413)	(950)
Special termination benefits	2,513	0
Projected benefit obligation, End of year	6,933	5,345	7,210
Beginning Balance	0	0
Company contributions	1,413	950
Benefits paid	(1,413)	(950)
Ending Balance	0	0	$ 0
Funded status	$ (6,933)	$ (5,345)