CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents ($171,727 and $173,118 related to variable interest entities (“VIEs”))	$ 358,304	$ 380,564
Restricted cash	14,749	14,116
Restricted investments	130,499	130,287
Accounts receivable ($51,822 and $84,014 related to VIEs)	1,057,229	1,054,014
Retention receivable ($154,951 and $161,187 related to VIEs)	550,224	580,926
Costs and estimated earnings in excess of billings ($72,566 and $58,089 related to VIEs)	1,156,571	1,143,846
Other current assets ($22,155 and $26,725 related to VIEs)	199,138	217,601
Total current assets	3,466,714	3,521,354
PROPERTY AND EQUIPMENT (“P&E”), net of accumulated depreciation of $546,716 and $534,171 (net P&E of $33,813 and $35,135 related to VIEs)	438,605	441,291
GOODWILL	205,143	205,143
INTANGIBLE ASSETS, NET	67,746	68,305
DEFERRED INCOME TAXES	69,737	74,083
OTHER ASSETS	122,462	119,680
TOTAL ASSETS	4,370,407	4,429,856
CURRENT LIABILITIES:
Current maturities of long-term debt	21,109	117,431
Accounts payable ($23,199 and $24,160 related to VIEs)	600,190	466,545
Retention payable ($22,011 and $22,841 related to VIEs)	227,731	223,138
Billings in excess of costs and estimated earnings ($425,410 and $439,759 related to VIEs)	1,002,268	1,103,530
Accrued expenses and other current liabilities ($10,572 and $18,206 related to VIEs)	191,909	214,309
Total current liabilities	2,043,207	2,124,953
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance costs totaling $9,389 and $11,000	780,058	782,314
OTHER LONG-TERM LIABILITIES	243,908	238,678
TOTAL LIABILITIES	3,067,173	3,145,945
COMMITMENTS AND CONTINGENCIES (NOTE 11)
Stockholders' equity:
Preferred stock - authorized 1,000,000 shares ($1 par value), none issued	0	0
Common stock - authorized 112,500,000 shares ($1 par value), issued and outstanding 52,284,162 and 52,025,497 shares	52,284	52,025
Additional paid-in capital	1,146,008	1,146,204
Retained earnings	148,906	133,146
Accumulated other comprehensive loss	(40,162)	(39,787)
Total stockholders' equity	1,307,036	1,291,588
Noncontrolling interests	(3,802)	(7,677)
TOTAL EQUITY	1,303,234	1,283,911
TOTAL LIABILITIES AND EQUITY	$ 4,370,407	$ 4,429,856