CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents ($37,445 and $0 related to variable interest entities ("VIEs"))	$ 172,927	$ 146,103
Restricted cash	52,051	50,504
Accounts receivable ("AR") including retainage of $602,581 and $569,391 (AR of $56,912 and $0 related to VIEs)	1,838,359	1,743,300
Costs and estimated earnings in excess of billings	850,634	831,826
Other current assets	77,736	66,023
Total current assets	2,991,707	2,837,756
PROPERTY AND EQUIPMENT, net of accumulated depreciation of $339,045 and $313,783	456,001	477,626
GOODWILL	585,006	585,006
INTANGIBLE ASSETS, NET	91,226	92,997
OTHER ASSETS	40,926	45,235
TOTAL ASSETS	4,164,866	4,038,620
CURRENT LIABILITIES:
Current maturities of long-term debt	30,333	85,890
Accounts payable ("AP") including retainage of $274,045 and $258,294 (AP of $57,888 and $0 related to VIEs)	899,284	994,016
Billings in excess of costs and estimated earnings ($30,293 and $0 related to VIEs)	339,808	331,112
Accrued expenses and other current liabilities	176,148	107,925
Total current liabilities	1,445,573	1,518,943
LONG-TERM DEBT, less current maturities, net of unamortized discounts and debt issuance costs totaling $57,434 and $56,072	832,327	673,629
DEFERRED INCOME TAXES	131,292	131,007
OTHER LONG-TERM LIABILITIES	155,810	162,018
TOTAL LIABILITIES	2,565,002	2,485,597
CONTINGENCIES AND COMMITMENTS (NOTE 7)
Stockholders' Equity:
Preferred stock - authorized 1,000,000 shares ($1 par value), none issued
Common stock - authorized 75,000,000 shares ($1 par value), issued and outstanding 49,760,256 and 49,211,353 shares	49,760	49,211
Additional paid-in capital	1,075,637	1,075,600
Retained earnings	517,485	473,625
Accumulated other comprehensive loss	(44,305)	(45,413)
Total Stockholders' Equity	1,598,577	1,553,023
Noncontrolling interests	1,287
TOTAL EQUITY	1,599,864	1,553,023
TOTAL LIABILITIES AND EQUITY	$ 4,164,866	$ 4,038,620