Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 6,895	$ 11,167
Accounts receivable—net	91,385	88,091
Contract revenues in excess of billings	75,696	95,012
Inventories	38,307	37,137
Prepaid expenses and other current assets	79,838	75,819
Total current assets	292,121	307,226
PROPERTY AND EQUIPMENT—Net	419,268	413,008
GOODWILL AND OTHER INTANGIBLE ASSETS—Net	84,927	85,075
INVENTORIES—Noncurrent	51,995	52,602
INVESTMENTS IN JOINT VENTURES	5,756	4,734
ASSETS HELD FOR SALE—Noncurrent	9,118	9,299
OTHER	14,442	21,644
TOTAL	877,627	893,588
CURRENT LIABILITIES:
Accounts payable	87,640	103,185
Accrued expenses	80,781	69,043
Billings in excess of contract revenues	8,893	5,141
Current portion of long term debt	2,439	2,465
Total current liabilities	179,753	179,834
7 3/8% SENIOR NOTES	273,248	272,998
REVOLVING CREDIT FACILITY	115,500	104,111
NOTES PAYABLE	12,995	13,293
DEFERRED INCOME TAXES	57,831	68,449
OTHER	6,772	7,013
Total liabilities	646,099	645,698
COMMITMENTS AND CONTINGENCIES (Note 8)
EQUITY:
Common stock—$.0001 par value; 90,000 authorized, 61,550 and 61,240 shares issued; 61,272 and 60,962 shares outstanding at March 31, 2017 and December 31, 2016, respectively.	6	6
Treasury stock, at cost	(1,433)	(1,433)
Additional paid-in capital	287,491	286,303
Accumulated deficit	(52,629)	(35,841)
Accumulated other comprehensive loss	(1,907)	(1,145)
Total equity	231,528	247,890
TOTAL	$ 877,627	$ 893,588