Condensed Consolidated Statements Of Cash Flows (Statement) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 158,817	$ 118,196
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	108,434	104,860
Other non-operating gains	0	(45)
Loss on extinguishment and modification of debt	2,158	0
Amortization of deferred financing costs and debt discounts	4,235	4,266
Deferred income taxes	1,690	5,346
Equity-based compensation	8,873	723
Loss from non-consolidated affiliates	2,160	3,622
Changes in operating assets and liabilities, net of effect of acquisitions and divestitures:
Accounts receivable	77,284	(54,896)
Inventories	(2,545)	(556)
Prepaid expenses and other current assets	(21,189)	(20,450)
Accounts payable and other accrued expenses and liabilities	(132,031)	9,996
Accrued salaries and benefits	(12,429)	(16,863)
Net cash provided by operating activities	195,457	154,199
Cash flows from investing activities:
Investment in acquisitions, net of cash acquired	(8,044)	0
Purchases of property and equipment	(106,234)	(79,959)
Other	(738)	(1,318)
Net cash used in investing activities	(115,016)	(81,277)
Cash flows from financing activities:
Proceeds from initial public offering, net of underwriting discounts and commissions	208,656	0
Proceeds from insurance financing arrangements	10,797	24,749
Proceeds from long-term debt	3,600	1,225
Payments of principal on insurance financing arrangements	(7,370)	(15,885)
Payments of principal on long-term debt	(106,335)	(10,549)
Debt issuance costs	(2,450)	0
Payments of initial public offering costs	(8,636)	0
Distributions to noncontrolling interests	(53,138)	(50,677)
Redemption of equity attributable to noncontrolling interests	0	(26,024)
Other	0	(7,209)
Net cash provided by (used in) financing activities	45,124	(84,370)
Net increase (decrease) in cash and cash equivalents	125,565	(11,448)
Cash and cash equivalents at beginning of year	437,577	456,124
Cash and cash equivalents at end of year	563,142	444,676
Supplemental Cash Flow Information:
Non-cash purchases of property and equipment	5,546	13,188
Offering costs not yet paid	$ 898	$ 0