Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net (loss) income including noncontrolling interests	$ (92,112)	$ 35,276
Adjustments to reconcile net (loss) income to net cash used in operating activities
Depreciation and amortization	24,531	28,359
Amortization of debt issue costs	4,099	657
Loss (gain) on disposal of property and equipment	198	(3)
Loss on extinguishment of debt	211,018	0
Deferred taxes	4,796	(2,586)
Foreign currency transaction gains and losses	2,311	(290)
Equity in losses of unconsolidated joint ventures	2,060	5,840
Return on investments in unconsolidated joint ventures	16,106	7,793
Stock-based compensation	10,523	6,992
Contributions of treasury stock	15,030	14,435
Changes in assets and liabilities, net of acquisitions and consolidated joint ventures:
Accounts receivable	(110,066)	(47,482)
Contract assets	(11,715)	(49,098)
Prepaid expenses and other assets	(21,602)	(27,948)
Accounts payable	31,685	8,009
Accrued expenses and other current liabilities	(77,591)	(10,898)
Contract liabilities	(17,090)	16,113
Income taxes	(51,080)	6,408
Other long-term liabilities	(4,521)	(567)
Net cash used in operating activities	(63,420)	(8,990)
Cash flows from investing activities:
Capital expenditures	(9,436)	(8,146)
Proceeds from sale of property and equipment	2	19
Investments in unconsolidated joint ventures	(36,076)	(13,016)
Proceeds from sales of investments in unconsolidated joint ventures	0	381
Net cash used in investing activities	(45,510)	(20,762)
Cash flows from financing activities:
Proceeds from borrowings under credit agreement	153,200	5,700
Repayments of borrowings under credit agreement	(153,200)	(5,700)
Proceeds from issuance of convertible notes due 2029	800,000
Repurchases of convertible notes due 2025	(495,575)
Payments for debt issuance costs	(18,941)
Contributions by noncontrolling interests	0	200
Distributions to noncontrolling interests	(11,258)	(638)
Repurchases of common stock	0	(6,000)
Taxes paid on vested stock	(16,914)	(6,064)
Capped call transactions	(88,400)	0
Bond Hedge Termination	195,549	0
Redemption of warrants	(104,952)	0
Net cash (used in) provided by financing activities	259,509	(12,502)
Effect of exchange rate changes	(402)	154
Net increase (decrease) in cash, cash equivalents, and restricted cash	150,177	(42,100)
Cash, cash equivalents and restricted cash:
Beginning of year	272,943	262,539
End of period	$ 423,120	$ 220,439