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Retirement Plans and Other Postretirement Benefits - Fair Value of Plan Assets for Foreign Defined Benefit Pension Plans (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 774,329 | $ 728,641 |
Foreign Defined Benefit Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 174,443 | 159,592 |
Foreign Defined Benefit Pension Plans | Life insurance |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12,619 | 13,043 |
Foreign Defined Benefit Pension Plans | Total investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12,619 | 13,043 |
Foreign Defined Benefit Pension Plans | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 161,824 | 146,549 |
Level 3 | Foreign Defined Benefit Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12,619 | 13,043 |
Level 3 | Foreign Defined Benefit Pension Plans | Life insurance |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12,619 | 13,043 | $ 18,806
Level 3 | Foreign Defined Benefit Pension Plans | Total investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 12,619 | $ 13,043 |

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