XML 35 R28.htm IDEA: XBRL DOCUMENT v3.25.1
Segment Information - Schedule of Financial Information with Respect to our Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Revenue from operations $ 1,374,858 $ 1,460,073
Less significant expenses:    
Salaries and wages 476,270 492,881
Employee benefit costs 181,815 175,509
Operating supplies and expenses 149,892 172,472
General supplies and expenses 39,880 45,576
Operating taxes and licenses 35,603 35,838
Insurance and claims 17,480 18,194
Communications and utilities 10,803 10,995
Depreciation and amortization 89,132 84,531
Purchased transportation 27,663 30,710
Miscellaneous expenses, net 8,265 6,941
Total non-operating income (589) (6,456)
Provision for income taxes 83,984 100,578
Net income $ 254,660 $ 292,304