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Other, Net - Other Net in Consolidated Statements of Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Other Nonoperating Income (Expense) [Abstract] |  |  |
Foreign exchange gains (losses) | $ (3,703) | $ (2,871) | $ 501
Investment income | 859 | 1,757 | 2,886
Realized and unrealized gains (losses) on investments | 4,314 | (8,188) | 2,289
Net periodic benefit cost | 28 | 690 | 302
Other retirement obligation | 383 | (212) | 559
Gain on dissolution of the China joint venture |  |  | 972
Other, net | $ 1,881 | $ (8,824) | $ 7,509

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