Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income	$ 74,957	$ 41,138
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	86,688	81,391
Long-lived and other asset impairment	6,969	5,461
Unrealized change in fair value of investment in unconsolidated affiliate		1,996
Inventory write-downs	517	359
Amortization of operating lease right-of-use assets	1,827	1,649
Amortization of deferred financing costs	2,323	3,468
Amortization of debt premium	(1,003)	(1,003)
Amortization of capitalized implementation costs	1,562	1,202
Stock-based compensation expense	7,477	6,524
Provision for (benefit from) credit losses	5	(140)
Gain on sale of assets, net	(2,957)	(4,781)
Deferred income tax provision	24,900	15,417
Amortization of contract costs	11,725	10,250
Deferred revenue recognized in earnings	(5,606)	(8,754)
Changes in operating assets and liabilities:
Accounts receivable, net	8,836	(5,462)
Inventory	2,073	(6,642)
Other assets	(4,004)	(2,109)
Contract costs	(9,660)	(12,398)
Accounts payable and other liabilities	(4,661)	(16,102)
Deferred revenue	6,315	7,106
Other	70	(172)
Net cash provided by operating activities	208,353	118,398
Cash flows from investing activities:
Capital expenditures	(191,026)	(187,476)
Proceeds from sale of property, equipment and other assets	17,550	38,093
Proceeds from insurance and other settlements	45	437
Investments in unconsolidated entities	(57)	(2,000)
Net cash used in investing activities	(173,488)	(150,946)
Cash flows from financing activities:
Borrowings of long-term debt	485,825	417,825
Repayments of long-term debt	(462,150)	(327,300)
Payments of debt issuance costs		(5,528)
Dividends paid to stockholders	(51,819)	(47,356)
Repurchases of common stock	(1,230)	(2,073)
Taxes paid related to net share settlement of equity awards	(6,462)	(3,775)
Proceeds from stock issued under ESPP	552	382
Net cash provided by (used in) financing activities	(35,284)	32,175
Net decrease in cash and cash equivalents	(419)	(373)
Cash and cash equivalents, beginning of period	1,338	1,566
Cash and cash equivalents, end of period	$ 919	$ 1,193