Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 13,595	$ 14,184
Accounts receivable—net	115,753	130,777
Contract revenues in excess of billings	75,843	81,195
Inventories	35,734	35,963
Prepaid expenses and other current assets	78,341	67,614
Total current assets	319,266	329,733
PROPERTY AND EQUIPMENT—Net	436,691	430,210
GOODWILL AND OTHER INTANGIBLE ASSETS—Net	85,314	86,004
INVENTORIES—Noncurrent	48,706	41,646
INVESTMENTS IN JOINT VENTURES	5,791	3,761
OTHER	8,366	6,770
TOTAL	904,134	898,124
CURRENT LIABILITIES:
Accounts payable	109,255	118,846
Accrued expenses	57,365	72,277
Billings in excess of contract revenues	9,677	7,061
Revolving credit facility	60,000
Current portion of long term debt	11,745	7,506
Total current liabilities	248,042	205,690
7 3/8% SENIOR NOTES	272,748	271,998
REVOLVING CREDIT FACILITY		20,000
NOTES PAYABLE	45,012	53,792
DEFERRED INCOME TAXES	73,753	74,006
OTHER	10,002	20,465
Total liabilities	649,557	645,951
COMMITMENTS AND CONTINGENCIES (Note 9)
EQUITY:
Common stock—$.0001 par value; 90,000 authorized, 61,215 and 60,709 shares issued; 60,937 and 60,431 shares outstanding at September 30, 2016 and December 31, 2015, respectively.	6	6
Treasury stock, at cost	(1,433)	(1,433)
Additional paid-in capital	286,266	283,247
Accumulated deficit	(28,858)	(27,664)
Accumulated other comprehensive loss	(1,404)	(1,983)
Total equity	254,577	252,173
TOTAL	$ 904,134	$ 898,124