CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
Revenues	$ 1,030,388	$ 1,099,393	$ 3,076,381	$ 2,997,273
Cost of operations	909,531	983,930	2,749,212	2,708,590
Gross profit	120,857	115,463	327,169	288,683
General and administrative expenses	62,763	60,787	193,522	194,644
Goodwill and intangible asset impairment				376,574
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	58,094	54,676	133,647	(282,535)
Other (expense) income, net	(9,488)	545	(13,549)	(681)
Interest expense	(11,571)	(11,039)	(33,990)	(32,724)
Income (loss) before income taxes	37,035	44,182	86,108	(315,940)
(Provision) benefit for income taxes	(13,276)	(1,591)	(32,071)	8,905
NET INCOME (LOSS)	$ 23,759	$ 42,591	$ 54,037	$ (307,035)
BASIC EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.50	$ 0.90	$ 1.13	$ (6.47)
DILUTED EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.49	$ 0.88	$ 1.11	$ (6.47)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	47,959	47,556	47,735	47,440
Effect of dilutive stock options and restricted stock units (in shares)	666	661	802
DILUTED (in shares)	48,625	48,217	48,537	47,440