Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 748,677	$ 497,415	$ 459,799
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, accretion, and amortization	269,517	716,309	707,576
Non-cash asset impairment and decommission costs	91,279	154,947	42,807
Non-cash compensation expense	74,374	87,919	99,909
Loss (gain) on remeasurement of U.S. denominated intercompany loans	236,467	(81,222)	(20,295)
Loss from extinguishment of debt, net	5,940		437
Deferred income tax (benefit) expense	(13,087)	4,629	32,901
Non-cash interest expense	27,661	35,868	46,109
Amortization of deferred financing fees	21,265	20,273	19,835
Other non-cash items reflected in the Statements of Operations	15,829	43,785	9,742
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable and costs and estimated earnings in excess of billings on uncompleted contracts, net	18,109	44,386	(81,351)
Prepaid expenses and other assets	(19,480)	(35,498)	(29,746)
Operating lease right-of-use assets, net	127,182	141,114	135,473
Accounts payable and accrued expenses	(4,402)	(66,324)	25,118
Long-term lease liabilities	(141,214)	(138,699)	(129,471)
Other liabilities	(123,251)	119,491	(33,143)
Net cash provided by operating activities	1,334,866	1,544,393	1,285,700
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(299,811)	(129,961)	(1,176,092)
Capital expenditures	(228,149)	(236,698)	(214,443)
Purchase of investments	(1,800,683)	(1,339,026)	(881,781)
Proceeds from sale of investments	1,536,750	1,338,354	878,138
Loan to unconsolidated joint venture	(11,100)	(100,494)
Other investing activities	(6,317)	(421)	524
Net cash used in investing activities	(809,310)	(468,246)	(1,393,654)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under Revolving Credit Facility	370,000	190,000	975,000
Repayments under Revolving Credit Facility	(550,000)	(730,000)	(605,000)
Proceeds from issuance of Term Loans, net of fees	2,280,565
Repayment of Term Loans	(2,292,244)	(24,000)	(24,000)
Proceeds from issuance of Tower Securities, net of fees	2,052,136		839,885
Repayment of Tower Securities	(620,269)		(640,000)
Repurchase and retirement of common stock	(200,019)	(100,010)	(431,666)
Payment of dividends on common stock	(424,191)	(369,960)	(306,766)
Proceeds from employee stock purchase/stock option plans	35,986	44,196	38,303
Payments related to taxes on stock options and restricted stock units	(18,801)	(27,481)	(9,958)
Other financing activities	12,579	37	28,728
Net cash provided by (used in) financing activities	645,742	(1,017,218)	(135,474)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(21,587)	2,734	(2,915)
NET CHANGE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	1,149,711	61,663	(246,343)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH:
Beginning of year	250,946	189,283	435,626
End of year	1,400,657	250,946	189,283
Cash paid during the period for:
Interest	395,112	396,593	347,659
Income taxes	42,415	25,581	32,320
SUPPLEMENTAL CASH FLOW INFORMATION OF NON-CASH ACTIVITIES:
Right-of-use assets obtained in exchange for new operating lease liabilities	59,189	55,409	171,203
Operating lease modifications and reassessments	268,531	(36,539)	48,946
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 336	$ 1,954	$ 3,860