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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Components of the Provision for Income Taxes | The components of the provision for income taxes are as follows:
|  | Year Ended December 31, |
(In thousands) |  | 2024 |  |  | 2023 |  |  | 2022 |
Current: |  |  |  |  |  |  |  |  |
Federal |  | $ | 284,679 |  |  | $ | 288,030 |  |  | $ | 318,571 |
State |  |  | 67,505 |  |  |  | 66,903 |  |  |  | 83,611 |
|  |  | 352,184 |  |  |  | 354,933 |  |  |  | 402,182 |
Deferred: |  |  |  |  |  |  |  |  |
Federal |  |  | 18,585 |  |  |  | 42,728 |  |  |  | 51,862 |
State |  |  | 755 |  |  |  | 10,613 |  |  |  | 10,146 |
|  |  | 19,340 |  |  |  | 53,341 |  |  |  | 62,008 |
Total provision for income taxes |  | $ | 371,524 |  |  | $ | 408,274 |  |  | $ | 464,190 |
Schedule of Effective Income Tax Reconciliation of the U.S. Statutory Federal Income Tax Rates | The following is a reconciliation of income tax expense calculated using the U.S. statutory federal income tax rate with our income tax expense for 2024, 2023 and 2022:
|  | Year Ended December 31, |
(In thousands) |  | 2024 |  |  | 2023 |  |  | 2022 |
Tax provision at statutory rate |  | $ | 327,095 |  |  | $ | 346,033 |  |  | $ | 386,683 |
State income taxes, net of federal benefit |  |  | 60,216 |  |  |  | 66,055 |  |  |  | 75,906 |
Other, net |  |  | (15,787 | ) |  |  | (3,814 | ) |  |  | 1,601 |
Total provision for income taxes |  | $ | 371,524 |  |  | $ | 408,274 |  |  | $ | 464,190 |
Schedule of Deferred Tax Assets and Liabilities | Deferred tax assets and liabilities, which are included in “Other assets” and “Deferred income taxes” on our Balance Sheets, consist of the following:
|  | December 31, |
(In thousands) |  | 2024 |  |  | 2023 |
Deferred tax assets: |  |  |  |  |  |
Claims and insurance reserves |  | $ | 32,866 |  |  | $ | 29,776 |
Accrued vacation |  |  | 23,379 |  |  |  | 19,849 |
Deferred compensation |  |  | 41,387 |  |  |  | 41,343 |
Other |  |  | 11,341 |  |  |  | 12,142 |
Total deferred tax assets |  |  | 108,973 |  |  |  | 103,110 |
Deferred tax liabilities: |  |  |  |  |  |
Depreciation and amortization |  |  | (485,808 | ) |  |  | (460,703 | )
Other |  |  | (5,095 | ) |  |  | (4,997 | )
Total deferred tax liabilities |  |  | (490,903 | ) |  |  | (465,700 | )
Net deferred tax liability |  | $ | (381,930 | ) |  | $ | (362,590 | )

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