Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 40,350	$ 33,461
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	62,351	53,161
Accretion of asset retirement obligation	1,910	1,532
Stock-based compensation	4,769	2,990
Income attributable to sale of tax benefits, net of interest expense	(8,627)	(7,645)
Equity in earnings of investees	(829)	(271)
Mark-to-market of derivative instruments	813	993
Disposal of property, plant and equipment	(312)	(123)
Gain on severance pay fund asset	(97)	(116)
Loss on foreign currency exchange rates	741	0
Deferred income tax provision	(9,683)	501
Liability for unrecognized tax benefits	582	22
Changes in operating assets and liabilities, net of businesses acquired:
Receivables	57,193	(26,626)
Costs and estimated earnings in excess of billings on uncompleted contracts	(5,249)	(731)
Inventories	(8,837)	(22,615)
Prepaid expenses and other	(3,710)	(15,903)
Change in operating lease right of use asset	935	720
Deposits and other	262	(22)
Accounts payable and accrued expenses	(16,333)	22,226
Billings in excess of costs and estimated earnings on uncompleted contracts	2,707	15,866
Liabilities for severance pay	(1,141)	(439)
Change in operating lease liabilities	(816)	(289)
Other long-term liabilities	(1,770)	(236)
Net cash provided by operating activities	115,209	56,456
Cash flows from investing activities:
Capital expenditures	(103,386)	(106,877)
Investment in unconsolidated companies	(608)	(4,235)
Cash paid for business acquisition, net of cash acquired	(274,631)	0
Decrease (increase) in severance pay fund asset, net of payments made to retired employees	791	(65)
Net cash used in investing activities	(377,834)	(111,177)
Cash flows from financing activities:
Proceeds from long-term loans, net of transaction costs	331,345	99,850
Proceeds from exercise of options by employees	55	27
Proceeds from revolving credit lines with banks	40,000	0
Repayment of revolving credit lines with banks	(60,000)	0
Cash received from noncontrolling interest	12,251	7,341
Repayments of long-term debt	(37,826)	(42,814)
Proceeds from issuance of common stock, net of related costs	0	297,121
Cash paid to noncontrolling interest	(3,168)	(2,985)
Payments under finance lease obligations	(352)	(570)
Deferred debt issuance costs	(1,118)	(857)
Cash dividends paid	(7,243)	(6,732)
Net cash provided by financing activities	273,944	350,381
Effect of exchange rate changes	(128)	(14)
Net change in cash and cash equivalents and restricted cash and cash equivalents	11,191	295,646
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	287,770	226,676
Cash and cash equivalents and restricted cash and cash equivalents at end of period	298,961	522,322
Supplemental non-cash investing and financing activities:
Change in accounts payable related to purchases of property, plant and equipment	(3,158)	(1,221)
Right of use assets obtained in exchange for new lease liabilities	$ 1,897	$ 1,028