CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
Revenues	$ 1,053,065	$ 985,346	$ 2,045,993	$ 1,897,880
Cost of operations	947,110	898,285	1,839,681	1,724,660
Gross profit	105,955	87,061	206,312	173,220
General and administrative expenses	66,481	64,661	130,759	133,857
Goodwill and intangible asset impairment		376,574		376,574
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	39,474	(354,174)	75,553	(337,211)
Other (expense) income, net	(3,234)	1,082	(4,061)	(1,226)
Interest expense	(11,083)	(10,603)	(22,419)	(21,685)
Income (loss) before income taxes	25,157	(363,695)	49,073	(360,122)
(Provision) benefit for income taxes	(9,679)	15,272	(18,795)	10,496
NET INCOME (LOSS)	$ 15,478	$ (348,423)	$ 30,278	$ (349,626)
BASIC EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.32	$ (7.35)	$ 0.64	$ (7.38)
DILUTED EARNINGS (LOSS) PER COMMON SHARE (in dollars per share)	$ 0.32	$ (7.35)	$ 0.62	$ (7.38)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	47,684	47,434	47,622	47,382
Effect of dilutive stock options and restricted stock units (in shares)	914		934
DILUTED (in shares)	48,598	47,434	48,556	47,382