CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 184,014	$ 54,561
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation, depletion, amortization and impairment	452,629	360,641
Deferred income tax expense	22,323	930
Stock-based compensation	33,338	15,460
Net loss (gain) on asset disposals	427	(10,558)
Gain on early debt extinguishment	(1,112)	0
Other	(76)	745
Changes in operating assets and liabilities:
Accounts receivable	45,207	(190,142)
Inventory	(29,355)	(18,061)
Other current assets	(30,053)	(2,214)
Other assets	16,460	7,877
Accounts payable	(29,388)	59,469
Accrued liabilities	(71,689)	(50,067)
Other liabilities	(39,443)	34,606
Net cash provided by operating activities	553,282	263,247
Cash flows from investing activities:
Acquisitions, net of cash acquired - NexTier	(65,185)	0
Acquisitions, net of cash acquired - Ulterra	(357,314)	0
Purchases of property and equipment	(410,417)	(317,553)
Proceeds from disposal of assets	19,566	20,305
Other	(286)	(2,404)
Net cash used in investing activities	(813,636)	(299,652)
Cash flows from financing activities:
Purchases of treasury stock	(124,286)	(12,897)
Dividends paid	(66,724)	(25,936)
Proceeds from borrowings under revolving credit facility	420,000	90,000
Repayment of borrowings under revolving credit facility	(420,000)	(90,000)
Debt issuance costs	(1,953)	0
Proceeds from issuance of senior notes	396,412	0
Repayment of senior notes	(7,837)	0
Other	(7,301)	0
Net cash provided by (used in) financing activities	188,311	(38,833)
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	1,538	449
Net decrease in cash, cash equivalents and restricted cash	(70,505)	(74,789)
Cash, cash equivalents and restricted cash at beginning of period	137,553	117,524
Cash, cash equivalents and restricted cash at end of period	67,048	42,735
Net cash received (paid) during the period for:
Interest, net of capitalized interest of $1,350 in 2023 and $689 in 2022	(29,269)	(31,332)
Income taxes	(27,454)	(1,166)
Non-cash investing and financing activities:
Net (decrease) increase in payables for purchases of property and equipment	(10,083)	14,175
Net decrease (increase) in deposits on equipment purchases	7,214	(7,556)
Cashless exercise of stock options	0	10,368
Purchases of property and equipment through exchange of lease right of use asset	3,241	0
Derecognition of right of use asset	(3,241)	0
Issuance of common stock for business combinations	$ 3,161,691	$ 0