Other, Net - Other Net in Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Nonoperating Income (Expense) [Abstract]
Foreign exchange gains (losses)	$ (27)	$ 406	$ (402)	$ 82
Investment income	131	71	191	214
Realized and unrealized gains on investments	679	1,563	2,946	3,079
Net periodic benefit cost	417	330	827	663
Other, net	$ 1,200	$ 2,370	$ 3,562	$ 4,038

Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Amount of realized and unrealized gain (loss) on investment.

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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