v3.26.3
Segment Reporting Revenues and Expenses (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting        
Operating revenues $ 1,585.3 $ 1,452.4 $ 4,552.5 $ 4,274.7
Operating supplies and expenses—net 179.8 191.6 553.4 547.2
Income from operations 62.1 35.3 166.9 132.4
Nonoperating Expense (3.5) 8.9 8.5 23.8
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 65.6 26.4 158.4 108.6
Operating Segments        
Segment Reporting        
Revenues excluding fuel surcharge 1,285.0 1,238.0 3,734.5 3,671.0
Fuel Surcharge Revenue 241.4 153.9 639.3 438.1
Operating revenues 1,526.4 1,391.9 4,373.8 4,109.1
Other Income 109.0 117.8 312.3 303.3
Income from operations 66.3 43.0 185.8 154.1
Operating Segments | Truckload        
Segment Reporting        
Revenues excluding fuel surcharge 624.8 624.5 1,870.4 1,860.4
Fuel Surcharge Revenue 161.5 105.9 438.3 304.4
Operating revenues 786.3 730.4 2,308.7 2,164.8
Compensation Expense, Excluding Cost of Good and Service Sold 270.8 274.8 812.4 812.9
Purchased transportation, fuel, and fuel taxes 223.3 159.8 610.1 474.5
Depreciation, Depletion and Amortization 81.0 85.5 248.6 255.3
Operating supplies and expenses—net 74.0 86.5 243.2 248.8
Segment Reporting, Other Segment Item, Amount 93.5 104.0 279.1 288.3
Income from operations 43.7 19.8 115.3 85.0
Operating Segments | Intermodal [Member]        
Segment Reporting        
Revenues excluding fuel surcharge 287.7 281.4 803.2 806.9
Fuel Surcharge Revenue 76.3 46.5 193.8 129.3
Operating revenues 364.0 327.9 997.0 936.2
Compensation Expense, Excluding Cost of Good and Service Sold 45.5 44.0 131.6 131.9
Purchased transportation, fuel, and fuel taxes 239.5 212.3 650.5 595.3
Depreciation, Depletion and Amortization 13.2 13.2 39.1 39.6
Operating supplies and expenses—net 19.6 17.5 54.0 53.7
Segment Reporting, Other Segment Item, Amount 23.6 24.1 69.9 69.0
Income from operations 22.6 16.8 51.9 46.7
Operating Segments | Logistics        
Segment Reporting        
Revenues excluding fuel surcharge 372.5 332.1 1,060.9 1,003.7
Fuel Surcharge Revenue 3.6 1.5 7.2 4.4
Operating revenues 376.1 333.6 1,068.1 1,008.1
Compensation Expense, Excluding Cost of Good and Service Sold 24.5 27.4 74.7 86.7
Purchased transportation, fuel, and fuel taxes 302.9 263.8 854.9 793.4
Depreciation, Depletion and Amortization 0.1 0.3 0.4 0.8
Operating supplies and expenses—net 20.1 15.3 52.0 44.2
Segment Reporting, Other Segment Item, Amount 28.5 20.4 67.5 60.6
Income from operations 0.0 6.4 18.6 22.4
Intersegment Eliminations        
Segment Reporting        
Revenues excluding fuel surcharge (48.9) (56.1) (130.3) (134.3)
Fuel Surcharge Revenue (1.2) (1.2) (3.3) (3.4)
Corporate And Reconciling Items        
Segment Reporting        
Income from operations $ (4.2) $ (7.7) $ (18.9) $ (21.7)