CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (22,998)	$ 33,570	$ 112,290
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	286,321	290,405	299,509
Deferred income taxes	(2,705)	(50,200)	8,153
Gain on disposal of property and equipment	(15,674)	(15,331)	(42,440)
Restructuring and impairment	44,225	0	0
Non-cash equity compensation	10,691	8,856	11,943
Insurance and claims accruals, net of current portion	(45,607)	(2,777)	(5,246)
Loss (gain) on investments in equity securities	68	(7,930)	278
Loss (earnings) from equity method investment	(656)	(556)	1,046
Change in fair value of contingent consideration	(7,815)	0	0
Other	(15,830)	(9,298)	(7,612)
Changes in certain working capital items:
Accounts receivable, net	(3,262)	53,260	73,921
Other current assets	(16,422)	16,703	10,266
Accounts payable	(16,700)	(10,391)	3,288
Other current liabilities	(11,806)	23,423	8,970
Net cash provided by operating activities	181,830	329,734	474,366
Cash flows from investing activities:
Additions to property and equipment	(250,364)	(413,799)	(598,785)
Proceeds from sales of property and equipment	87,618	178,912	190,087
Net cash invested in acquisitions	0	0	(188)
Investment in equity securities, net	(6,042)	(6,042)	(2,931)
Payments to acquire equity method investment	(4,360)	(3,820)	(3,385)
Purchase of promissory note	0	0	(25,000)
Decrease in notes receivable	1,576	3,301	5,258
Net cash used in investing activities	(171,572)	(241,448)	(434,944)
Cash flows from financing activities:
Repayments of short-term debt	(58,000)	(92,500)	(50,000)
Proceeds from issuance of short-term debt	55,000	110,000	45,000
Repayments of long-term debt	(320,000)	(221,250)	(90,000)
Proceeds from issuance of long-term debt	425,000	205,000	50,000
Dividends on common stock	(34,081)	(35,066)	(34,208)
Repurchases of common stock	(55,553)	(67,069)	0
Tax withholding related to net share settlements of restricted stock awards	(2,337)	(4,831)	(6,359)
Other	(2,732)	0	(1,500)
Net cash provided by (used in) financing activities	7,297	(105,716)	(87,067)
Effect of exchange rate fluctuations on cash	1,615	(3,541)	2,128
Net increase (decrease) in cash and cash equivalents	19,170	(20,971)	(45,517)
Cash and cash equivalents, beginning of period	40,752	61,723	107,240
Cash and cash equivalents, end of period	59,922	40,752	61,723
Supplemental disclosures of cash flow information:
Interest paid	40,585	40,156	27,212
Income taxes paid	38,586	25,831	17,892
Supplemental schedule of non-cash investing and financing activities:
Notes receivable issued upon sale of property and equipment	2,800	2,577	3,145
Change in fair value of interest rate swaps	(1,832)	(1,386)	(4,512)
Property and equipment acquired included in accounts payable	424	1,069	14,239
Dividends accrued but not yet paid at end of period	8,382	8,659	8,882
Contingent consideration associated with acquisition	$ 0	$ 0	$ (800)