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Schedule of Defined Benefit Pension and Postretirement Benefit Plan Assets and Obligation (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure |  |  |
Ending Balance | $ 83,400 |  |
UNITED STATES |  |  |
Defined Benefit Plan Disclosure |  |  |
Projected benefit obligation, Beginning of year | 144,187 | $ 143,814 |
Service cost | 881 | 1,063 | $ 1,588
Interest cost | 6,292 | 6,888 | 4,886
Actuarial (gain) loss | (6,014) | 3,229 |
Benefits paid | (11,658) | (10,807) |
Retiree annuity purchase | (23,386) |  |
Liability (gain) loss due to settlement | 394 | 0 |
Non-U.S. currency movement | 0 | 0 |
Projected benefit obligation, End of year | 110,696 | 144,187 | 143,814
Beginning Balance | 112,617 | 111,760 |
Actual return on plan assets | 779 | 8,613 |
Company contributions | 3,065 | 3,051 |
Benefits paid | (11,658) | (10,807) |
Retiree annuity purchase | (23,386) |  |
Settlements gain | 0 | 0 |
Non-U.S. currency movement | 0 | 0 |
Ending Balance | 81,417 | 112,617 | 111,760
Funded status | (29,279) | (31,570) |
Foreign Pension Plans, Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Projected benefit obligation, Beginning of year | 33,984 | 29,935 |
Service cost | 446 | 446 | 784
Interest cost | 953 | 1,057 | 482
Actuarial (gain) loss | (1,972) | 2,738 |
Benefits paid | (955) | (947) |
Liability (gain) loss due to settlement | (195) | (254) |
Non-U.S. currency movement | (1,988) | 1,009 |
Projected benefit obligation, End of year | 30,273 | 33,984 | 29,935
Beginning Balance | 1,929 | 2,087 |
Actual return on plan assets | 77 | 43 |
Company contributions | 1,024 | 1,028 |
Benefits paid | (955) | (947) |
Settlements gain | (195) | (254) |
Non-U.S. currency movement | 108 | (28) |
Ending Balance | 1,988 | 1,929 | 2,087
Funded status | (28,285) | (32,055) |
Postretirement Benefit Plans |  |  |
Defined Benefit Plan Disclosure |  |  |
Projected benefit obligation, Beginning of year | 6,933 | 5,345 |
Service cost | 37 | 34 | 64
Interest cost | 289 | 299 | 177
Actuarial (gain) loss | (445) | 155 |
Benefits paid | (1,685) | (1,413) |
Special termination benefits | 462 | 2,513 |
Projected benefit obligation, End of year | 5,591 | 6,933 | 5,345
Beginning Balance | 0 | 0 |
Company contributions | 1,685 | 1,413 |
Benefits paid | (1,685) | (1,413) |
Ending Balance | 0 | 0 | $ 0
Funded status | $ (5,591) | $ (6,933) |

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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