CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash, including cash equivalents of $1,696 and $12,044	$ 75,452	$ 135,583
Restricted cash	45,853	44,370
Accounts receivable, including retainage of $484,255 and $382,891	1,473,615	1,479,504
Costs and estimated earnings in excess of billings	905,175	726,402
Deferred income taxes	26,306	17,962
Other current assets	108,844	68,735
Total current assets	2,635,245	2,472,556
PROPERTY AND EQUIPMENT, at cost:
Land	41,382	41,307
Building and improvements	123,600	120,796
Construction equipment	431,080	426,379
Other equipment	181,940	159,148
Total property and equipment, gross	778,002	747,630
Less - Accumulated depreciation	254,477	220,028
Total property and equipment, net	523,525	527,602
GOODWILL	585,006	585,006
INTANGIBLE ASSETS, NET	96,540	100,254
OTHER ASSETS	202,125	87,897
TOTAL ASSETS	4,042,441	3,773,315
CURRENT LIABILITIES:
Current maturities of long-term debt	88,917	81,292
Accounts payable, including retainage	937,464	798,174
Billings in excess of costs and estimated earnings	288,311	319,296
Accrued expenses and other current liabilities	159,016	159,814
Total current liabilities	1,473,708	1,358,576
LONG-TERM DEBT, less current maturities	734,531	784,067
DEFERRED INCOME TAXES	273,310	150,371
OTHER LONG-TERM LIABILITIES	140,665	114,796
TOTAL LIABILITIES	$ 2,622,214	$ 2,407,810
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 - 49,072,710 shares and 48,671,492 shares	$ 49,073	$ 48,671
Additional paid-in capital	1,035,516	1,025,941
Retained earnings	377,803	332,511
Accumulated other comprehensive loss	(42,165)	(41,618)
TOTAL STOCKHOLDERS' EQUITY	1,420,227	1,365,505
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 4,042,441	$ 3,773,315