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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, 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) |

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