CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents ($169,266 and $102,679 related to variable interest entities (“VIEs”))	$ 309,267	$ 202,197
Restricted cash	4,485	9,199
Restricted investments	84,498	84,355
Accounts receivable ($99,872 and $116,415 related to VIEs)	1,337,017	1,454,319
Retention receivable ($178,575 and $162,259 related to VIEs)	552,695	568,881
Costs and estimated earnings in excess of billings ($67,874 and $143,105 related to VIEs)	1,372,640	1,356,768
Other current assets ($42,844 and $43,718 related to VIEs)	207,881	186,773
Total current assets	3,868,483	3,862,492
PROPERTY AND EQUIPMENT (“P&E”), net of accumulated depreciation of $507,400 and $483,417 (net P&E of $13,905 and $2,203 related to VIEs)	427,894	429,645
GOODWILL	205,143	205,143
INTANGIBLE ASSETS, NET	74,891	85,068
OTHER ASSETS	143,272	142,550
TOTAL ASSETS	4,719,683	4,724,898
CURRENT LIABILITIES:
Current maturities of long-term debt	30,565	24,406
Accounts payable ($66,971 and $96,097 related to VIEs)	555,365	512,056
Retention payable ($39,580 and $37,007 related to VIEs)	227,725	268,945
Billings in excess of costs and estimated earnings ($458,713 and $355,270 related to VIEs)	956,735	761,689
Accrued expenses and other current liabilities ($10,880 and $8,566 related to VIEs)	192,931	210,017
Total current liabilities	1,963,321	1,777,113
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance costs totaling $15,575 and $17,109	937,743	969,248
DEFERRED INCOME TAXES	6,836	70,989
OTHER LONG-TERM LIABILITIES	243,837	233,828
TOTAL LIABILITIES	3,151,737	3,051,178
COMMITMENTS AND CONTINGENCIES (NOTE 10)
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 51,357,691 and 51,095,706 shares	51,358	51,096
Additional paid-in capital	1,137,966	1,133,150
Retained earnings	429,673	514,310
Accumulated other comprehensive loss	(48,963)	(43,635)
Total stockholders' equity	1,570,034	1,654,921
Noncontrolling interests	(2,088)	18,799
TOTAL EQUITY	1,567,946	1,673,720
TOTAL LIABILITIES AND EQUITY	$ 4,719,683	$ 4,724,898