OPERATING SEGMENT DATA - Operating Expenses by Category (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| OPERATING EXPENSES | ||||
| Salaries, wages, and benefits | $ 458,115 | $ 453,283 | $ 890,003 | $ 892,806 |
| Rents, purchased transportation, and other costs of services | 328,571 | 376,137 | 662,341 | 751,456 |
| Fuel, supplies, and expenses | 110,530 | 112,137 | 216,476 | 221,659 |
| Depreciation and amortization | 40,926 | 36,276 | 80,890 | 73,109 |
| Contingent consideration | (2,650) | 3,850 | (2,650) | 11,170 |
| Other | 49,455 | 47,303 | 98,334 | 92,770 |
| Total consolidated operating expenses | $ 984,947 | $ 1,028,986 | $ 1,945,394 | $ 2,042,970 |
| X | ||||||||||
- Definition Amount of contingent consideration expense, net. No definition available.
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| X | ||||||||||
- Definition Fuel costs incurred that are directly related to services rendered during the reporting period and the cost of materials used in services rendered during the reporting period. It also includes costs related to selling products and services, as well as other general and administrative expenses not separately disclosed in operating expenses and costs. No definition available.
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| X | ||||||||||
- Definition This element represents expenses of rent, transportation services, and other costs of services purchased from third parties. No definition available.
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| X | ||||||||||
- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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