CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income (loss)	$ (10,221)	$ 6,248
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	70,049	74,270
Deferred income taxes	(11,612)	2,828
Gain on disposal of property and equipment	(2,843)	(3,568)
Non-cash equity compensation	2,444	2,250
Insurance and claims accruals, net of current portion	117	(4,015)
Loss on investments in equity securities, net	2	138
Loss (earnings) from equity method investment	(123)	133
Other	(14,617)	(3,141)
Changes in certain working capital items:
Accounts receivable, net	4,609	27,481
Other current assets	9,540	7,139
Accounts payable	(4,373)	(5,274)
Other current liabilities	(13,602)	(15,904)
Net cash provided by operating activities	29,370	88,585
Cash flows from investing activities:
Additions to property and equipment	(23,513)	(58,235)
Proceeds from sales of property and equipment	31,079	39,200
Investment in equity securities	(6,011)	(11)
Payments to acquire equity method investment	0	(1,060)
Collections of notes receivable	816	696
Net cash provided by (used in) investing activities	2,371	(19,410)
Cash flows from financing activities:
Repayments of short-term debt	(10,000)	(21,250)
Proceeds from issuance of short-term debt	10,000	20,000
Repayments of long-term debt	(260,000)	(50,000)
Proceeds from issuance of long-term debt	250,000	0
Dividends on common stock	(8,659)	(8,882)
Repurchases of common stock	0	(6,550)
Tax withholding related to net share settlements of restricted stock awards	(1,879)	(4,087)
Net cash used in financing activities	(20,538)	(70,769)
Effect of exchange rate fluctuations on cash	(4)	208
Net increase (decrease) in cash and cash equivalents	11,199	(1,386)
Cash and cash equivalents, beginning of period	40,752	61,723
Cash and cash equivalents, end of period	51,951	60,337
Supplemental disclosures of cash flow information:
Interest paid	14,422	9,328
Income taxes paid	21,057	1,165
Supplemental schedule of non-cash investing and financing activities:
Notes receivable issued upon sale of property and equipment	440	402
Change in fair value of interest rate swaps	(1,434)	116
Property and equipment acquired included in accounts payable	6,373	19,765
Dividends accrued but not yet paid at end of period	$ 8,670	$ 8,878