Other, Net - Other Net in Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Nonoperating Income (Expense) [Abstract]
Foreign exchange gains (losses)	$ 406	$ (1,507)	$ 82	$ (1,225)
Investment income	71	231	214	394
Realized and unrealized gains (losses) on investments	1,563	(4,485)	3,079	(6,972)
Net periodic pension benefit income	330	392	663	784
Other, net	$ 2,370	$ (5,369)	$ 4,038	$ (7,019)