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OPERATING SEGMENT DATA - Operating Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
OPERATING EXPENSES |  |
Salaries, wages, and benefits | $ 439,523 | $ 436,982
Fuel, supplies, and expenses | 109,522 | 122,175
Depreciation and amortization | 36,833 | 35,010
Contingent consideration | 7,320 | 15,040
(Gain) loss on sale of property and equipment | 217 | (9)
Other | 45,467 | 46,123
Total consolidated operating expenses | 1,013,984 | 1,084,935
Operating Segments | Asset Based |  |
OPERATING EXPENSES |  |
Salaries, wages, and benefits | 344,999 | 335,605
Fuel, supplies, and expenses | 81,044 | 94,288
Operating taxes and licenses | 13,529 | 13,979
Insurance | 14,482 | 13,273
Communications and utilities | 4,799 | 5,304
Depreciation and amortization | 27,007 | 24,911
Rents and purchased transportation | 65,671 | 90,744
Shared services | 64,914 | 64,613
(Gain) loss on sale of property and equipment | 149 | (51)
Innovative technology costs |  | 6,068
Other | 1,417 | 1,612
Total consolidated operating expenses | 618,011 | 650,346
Operating Segments | Asset-Light |  |
OPERATING EXPENSES |  |
Purchased transportation | 344,122 | 370,163
Salaries, wages, and benefits | 30,304 | 34,894
Supplies and expenses | 2,809 | 3,629
Depreciation and amortization | 5,078 | 5,068
Shared services | 16,274 | 16,535
Contingent consideration | 7,320 | 15,040
Other | 5,714 | 6,854
Total consolidated operating expenses | 411,621 | 452,183
Other and eliminations |  |
OPERATING EXPENSES |  |
Total consolidated operating expenses | $ (15,648) | $ (17,594)

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- 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. + References No definition available. + Details
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