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Pension and Postretirement Benefits (Details Textual) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) plan | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jan. 31, 2025 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined contribution plan expense | $ 29,800 | $ 23,600 | $ 21,900 |
Accrued Liabilities, Current | $ 561,486 | $ 504,430 |  |
Postretirement Medical Benefits |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate | 5.78% | 5.57% | 5.83% |
Company contributions | $ 1,100 | $ 1,600 | $ 2,400 |
Assumed rate of increase in medical costs | 7.00% | 7.00% | 7.25% |
Minimum medical cost rate to be acheived | 5.00% |  |  |
United States | Subsequent Event |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Accrued Liabilities, Current |  |  |  | $ 5,000
United States | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate | 5.73% | 5.41% | 5.73% |
Long-term rate of return on assets | 6.00% | 6.00% | 5.75% |
Company contributions | $ 20,740 | $ 3,143 |  |
United States | Fixed Income | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Plan assets, target allocation (as a percent) | 57.00% | 65.00% |  |
Plan assets, actual allocation (as a percent) | 56.00% | 62.00% |  |
United States | Defined Benefit Plan, Plan Assets | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Plan assets, target allocation (as a percent) | 42.00% |  |  |
United States | Defined Benefit Plan, Fixed Income Securities | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Plan assets, target allocation (as a percent) | 57.00% |  |  |
Foreign Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate |  |  | 4.46% |
Long-term rate of return on assets |  |  | 2.43% |
Foreign Plan | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate | 4.71% | 4.22% |  |
Long-term rate of return on assets | 4.65% | 3.97% |  |
Company contributions | $ 10,733 | $ 10,221 |  |
Estimated contributions in the next year | $ 2,000 |  |  |
Number of plans Non-US Assets | plan | 2 |  |  |
Foreign Plan | Fixed Income | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Plan assets, target allocation (as a percent) | 47.00% | 51.00% |  |
Plan assets, actual allocation (as a percent) | 47.00% | 51.00% |  |
Foreign Plan | U.K. , the Netherlands and Canadian Plan Assets | Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Plan assets, actual allocation (as a percent) | 87.00% |  |  |

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