v3.25.1
Information by Segment (Summary Of Financial Information By Segments) (Detail)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Segment Reporting Information [Line Items]    
Total revenue $ 1,824,362 $ 1,822,467
Salaries, wages, and benefits [1] 721,659 692,907
Fuel [1] 207,246 234,589
Operations and maintenance [1] 132,372 134,633
Insurance and claims [1] 92,225 122,446
Depreciation and amortization of property and equipment [1] 177,479 181,865
Purchased transportation [1] 277,294 277,257
Other segment items [1],[2] 149,424 158,215
Total operating expenses 1,757,699 1,801,912
Operating income $ 66,663 $ 20,555
Operating ratio 0.963 0.989
Non-reportable segments [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 71,565 $ 85,079
Salaries, wages, and benefits [1] 68,389 69,160
Fuel [1] 515 707
Operations and maintenance [1],[3] (17,117) (16,209)
Insurance and claims [1] 1,916 31,754
Depreciation and amortization of property and equipment [1] 15,283 17,366
Purchased transportation [1] 2,857 4,693
Other segment items [1],[2],[3] (6,316) (1,948)
Total operating expenses 65,527 105,523
Operating income $ 6,038 $ (20,444)
Operating ratio 0.916 1.240
Intersegment Eliminations [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ (24,878) $ (22,463)
Salaries, wages, and benefits [1] (505) (562)
Fuel [1] 0 0
Operations and maintenance [1] (4,974) (5,253)
Insurance and claims [1] 0 0
Depreciation and amortization of property and equipment [1] 0 0
Purchased transportation [1] (9,418) (7,618)
Other segment items [1],[2] (9,981) (9,030)
Total operating expenses (24,878) (22,463)
Operating income $ 0 $ 0
Operating ratio 1.000 1.000
Truckload [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 1,192,550 $ 1,263,015
Salaries, wages, and benefits [1] 432,160 445,819
Fuel [1] 173,202 203,621
Operations and maintenance [1] 119,533 129,808
Insurance and claims [1] 73,791 77,625
Depreciation and amortization of property and equipment [1] 132,860 139,994
Purchased transportation [1] 106,349 116,427
Other segment items [1],[2] 110,055 126,574
Total operating expenses 1,147,950 1,239,868
Operating income $ 44,600 $ 23,147
Operating ratio 0.963 0.982
LTL | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 352,401 $ 282,122
Salaries, wages, and benefits [1] 199,881 156,707
Fuel [1] 29,164 26,011
Operations and maintenance [1] 23,100 17,203
Insurance and claims [1] 13,530 10,043
Depreciation and amortization of property and equipment [1] 23,053 18,099
Purchased transportation [1] 7,598 3,593
Other segment items [1],[2] 43,381 30,179
Total operating expenses 339,707 261,835
Operating income $ 12,694 $ 20,287
Operating ratio 0.964 0.928
Logistics [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 141,621 $ 126,729
Salaries, wages, and benefits [1] 6,759 7,118
Fuel [1] 0 0
Operations and maintenance [1] 4,631 1,919
Insurance and claims [1] 1,578 1,958
Depreciation and amortization of property and equipment [1] 615 951
Purchased transportation [1] 115,995 105,400
Other segment items [1],[2] 6,900 6,910
Total operating expenses 136,478 124,256
Operating income $ 5,143 $ 2,473
Operating ratio 0.964 0.980
Intermodal [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 91,103 $ 87,985
Salaries, wages, and benefits [1] 14,975 14,665
Fuel [1] 4,365 4,250
Operations and maintenance [1] 7,199 7,165
Insurance and claims [1] 1,410 1,066
Depreciation and amortization of property and equipment [1] 5,668 5,455
Purchased transportation [1] 53,913 54,762
Other segment items [1],[2] 5,385 5,530
Total operating expenses 92,915 92,893
Operating income $ (1,812) $ (4,908)
Operating ratio 1.020 1.056
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker.
[2] Other segment items for each reportable segment include operating taxes and licenses, communications, amortization of intangibles, rental expense, impairments, and other miscellaneous operating expenses.
[3] The credits within All Other Segments represent allocations within corporate to the other segments