Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 15,894	$ 14,184
Accounts receivable—net	101,000	130,777
Contract revenues in excess of billings	74,576	81,195
Inventories	35,042	35,963
Prepaid expenses and other current assets	71,985	67,614
Total current assets	298,497	329,733
PROPERTY AND EQUIPMENT—Net	432,749	430,210
GOODWILL AND OTHER INTANGIBLE ASSETS—Net	85,774	86,004
INVENTORIES—Noncurrent	45,170	41,646
INVESTMENTS IN JOINT VENTURES	3,131	3,761
OTHER	7,181	6,770
TOTAL	872,502	898,124
CURRENT LIABILITIES:
Accounts payable	96,499	118,846
Accrued expenses	61,596	72,277
Billings in excess of contract revenues	6,158	7,061
Current portion of long term debt	7,530	7,506
Total current liabilities	171,783	205,690
7 3/8% SENIOR NOTES	272,248	271,998
REVOLVING CREDIT FACILITY	35,000	20,000
NOTES PAYABLE	52,265	53,792
DEFERRED INCOME TAXES	71,624	74,006
OTHER	19,693	20,465
Total liabilities	$ 622,613	$ 645,951
COMMITMENTS AND CONTINGENCIES (Note 8)
EQUITY:
Common stock—$.0001 par value; 90,000 authorized, 60,934 and 60,709 shares issued; 60,656 and 60,431 shares outstanding at March 31, 2016 and December 31, 2015, respectively.	$ 6	$ 6
Treasury stock, at cost	(1,433)	(1,433)
Additional paid-in capital	284,589	283,247
Accumulated deficit	(31,699)	(27,664)
Accumulated other comprehensive loss	(1,574)	(1,983)
Total equity	249,889	252,173
TOTAL	$ 872,502	$ 898,124