v3.25.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash flows from operating activities:    
Net income $ 64,160 $ 16,900
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization of property, equipment, and intangibles 392,509 397,802
Gain on sale of property and equipment (33,784) (12,604)
Impairments 10,612 9,859
Deferred income taxes (33,897) (30,970)
Non-cash lease expense 77,327 82,263
Gain on equity securities (177) (288)
Other adjustments to reconcile net income to net cash provided by operating activities 12,204 1,324
Increase (decrease) in cash resulting from changes in:    
Trade receivables (53,883) 32,115
Income tax receivable 9,244 26,549
Accounts payable (63,469) (39,647)
Accrued liabilities and claims accrual (128) (132,943)
Operating lease liabilities (75,366) (91,427)
Other assets and liabilities 20,577 51,767
Net cash provided by operating activities 325,929 310,700
Cash flows from investing activities:    
Proceeds from maturities of held-to-maturity investments 0 530
Proceeds from sale of property and equipment, including assets held for sale 158,366 114,033
Purchases of property and equipment (330,614) (372,661)
Expenditures on assets held for sale (716) (79)
Acquisition of leased assets (10,425) 0
Other cash flows used in investing activities (6,228) (664)
Net cash used in investing activities (189,617) (258,841)
Cash flows from financing activities:    
Repayments of finance leases and long-term debt (148,948) (100,147)
Borrowings on revolving lines of credit 165,000 230,000
Repayments on revolving lines of credit (100,000) (177,000)
Borrowings under accounts receivable securitization 30,000 22,000
Repayments of accounts receivable securitization (50,000) (96,600)
Proceeds from common stock issued 3,409 3,108
Dividends paid (58,985) (52,342)
Other cash flows used in financing activities (2,062) (11,307)
Net cash used in financing activities (161,586) (182,288)
Net decrease in cash, restricted cash, and equivalents (25,274) (130,429)
Cash, restricted cash, and equivalents at beginning of period 370,230 469,686
Cash, restricted cash, and equivalents at end of period 344,956 339,257
Cash paid (received) during the period for:    
Interest 75,140 86,931
Income taxes 41,281 7,695
Other Significant Noncash Transactions [Line Items]    
Equipment acquired included in accounts payable 39,614 29,444
Right-of-use assets obtained in exchange for operating lease liabilities 21,562 25,247
Property and equipment obtained in exchange for finance lease liabilities 3,138 77,472
Financing provided to independent contractors for equipment sold    
Other Significant Noncash Transactions [Line Items]    
Other non-cash investing and financing activities 314 1,636
Transfers from property and equipment to assets held for sale [Member]    
Other Significant Noncash Transactions [Line Items]    
Other non-cash investing and financing activities 71,904 49,673
Property and equipment obtained in exchange for debt and finance lease liabilities from operating lease liabilities    
Other Significant Noncash Transactions [Line Items]    
Property and equipment obtained in exchange for finance lease liabilities $ 11,860 $ 20,025