Pension Plans and Postretirement Benefits - Cash Flows (Detail) $ in Thousands |
Dec. 31, 2023
USD ($)
|
|---|---|
| United States: | Pension Plan | |
| Expected employer contributions to trusts of defined benefit plans: | |
| 2024 | $ 526 |
| Expected benefit payments: | |
| 2024 | 64,254 |
| 2025 | 65,457 |
| 2026 | 66,333 |
| 2027 | 67,009 |
| 2028 | 67,288 |
| 2029-2033 | 332,253 |
| United States: | Other Benefits | |
| Expected employer contributions to trusts of defined benefit plans: | |
| 2024 | 0 |
| Expected benefit payments: | |
| 2024 | 2,542 |
| 2025 | 2,570 |
| 2026 | 2,497 |
| 2027 | 2,458 |
| 2028 | 2,398 |
| 2029-2033 | 11,209 |
| Canada | |
| Expected employer contributions to trusts of defined benefit plans: | |
| 2024 | 1,008 |
| Canada | Pension Plan | |
| Expected benefit payments: | |
| 2024 | 917 |
| 2025 | 1,076 |
| 2026 | 1,216 |
| 2027 | 1,373 |
| 2028 | 1,471 |
| 2029-2033 | 8,648 |
| Canada | Other Benefits | |
| Expected benefit payments: | |
| 2024 | 595 |
| 2025 | 640 |
| 2026 | 700 |
| 2027 | 737 |
| 2028 | 772 |
| 2029-2033 | $ 3,875 |