CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash, including cash equivalents of $15,302 and $1,696	$ 146,103	$ 75,452
Restricted cash	50,504	45,853
Accounts receivable, including retainage of $569,391 and $484,255	1,743,300	1,473,615
Costs and estimated earnings in excess of billings	831,826	905,175
Other current assets	66,023	108,844
Total current assets	2,837,756	2,608,939
PROPERTY AND EQUIPMENT:
Land	41,382	41,382
Building and improvements	124,157	123,600
Construction equipment	444,153	431,080
Other equipment	181,717	181,940
Total property and equipment, gross	791,409	778,002
Less - Accumulated depreciation	(313,783)	(254,477)
Total property and equipment, net	477,626	523,525
GOODWILL	585,006	585,006
INTANGIBLE ASSETS, NET	92,997	96,540
OTHER ASSETS	45,235	47,290
TOTAL ASSETS	4,038,620	3,861,300
CURRENT LIABILITIES:
Current maturities of long-term debt	85,890	88,917
Accounts payable, including retainage of $258,294 and $204,767	994,016	937,464
Billings in excess of costs and estimated earnings	331,112	288,311
Accrued expenses and other current liabilities	107,925	134,127
Total current liabilities	1,518,943	1,448,819
LONG-TERM DEBT, less current maturities, net of unamortized discount and debt issuance cost of $56,072 and $6,697	673,629	728,767
DEFERRED INCOME TAXES	131,007	122,822
OTHER LONG-TERM LIABILITIES	162,018	140,665
TOTAL LIABILITIES	2,485,597	2,441,073
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 - 49,211,353 and 49,072,710 shares	49,211	49,073
Additional paid-in capital	1,075,600	1,035,516
Retained earnings	473,625	377,803
Accumulated other comprehensive loss	(45,413)	(42,165)
TOTAL STOCKHOLDERS' EQUITY	1,553,023	1,420,227
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 4,038,620	$ 3,861,300