Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating Activities:
Net income	$ 285,962	$ 265,629
Noncash items included in net income:
Depreciation and amortization	156,041	133,156
Deferred income taxes	6,026	17,496
Other, net	16,276	12,158
Changes in operating assets and liabilities:
Accounts receivable	(63,771)	(58,005)
Accounts payable	12,095	25,160
Change in other assets and liabilities, net	6,334	20,674
Net cash provided by operating activities	418,963	416,268
Investing Activities:
Acquisition of property and equipment	(875,302)	(340,528)
Proceeds from disposal of property and equipment	2,079	2,141
Other	4,999	1,379
Net cash used in investing activities	(868,224)	(337,008)
Financing Activities:
Repayments of revolving credit facility	(870,100)	0
Borrowings of revolving credit facility	953,100	0
Borrowings on private shelf agreement	100,000	0
Proceeds from stock option exercises	2,033	4,791
Shares withheld for taxes	(8,820)	(9,126)
Repayment of finance leases	(8,525)	(12,074)
Other financing activity	(237)	(979)
Net cash provided by (used in) financing activities	167,451	(17,388)
Net (Decrease) Increase in Cash and Cash Equivalents	(281,810)	61,872
Cash and Cash Equivalents, beginning of period	296,215	187,390
Cash and Cash Equivalents, end of period	$ 14,405	$ 249,262