CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ (3,570)	$ 11,399
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	15,215	14,412
Asset impairments	7,690
Deferred income taxes	(2,525)	678
Compensation expense-restricted stock	689	606
Excess tax benefit from share-based payment arrangements	(29)	(12)
Changes in operating assets and liabilities:
Contracts receivable	(43,768)	12,818
Contract retainage	6,288	(10,340)
Costs and estimated earnings in excess of billings on uncompleted contracts	(13,767)	10,205
Prepaid expenses and other assets	1,334	108
Other receivables		(53)
Inventory	(1,609)	(334)
Accounts payable	12,222	(6,480)
Billings in excess of costs and estimated earnings on uncompleted contracts	29,570	3,357
Accrued employee costs	(665)	495
Accrued expenses	2,278	1,213
Current income taxes	(339)	625
Net cash provided by operating activities	9,014	38,697
Cash flows from investing activities:
Capital expenditures, net	(33,408)	(11,381)
Net cash used in investing activities	(33,408)	(11,381)
Cash flows from financing activities:
Proceeds from exercise of stock options	98	51
Excess tax benefit from share-based payment arrangements	29	12
Payments of dividends on common stock	(2,613)	(434)
Net cash used in financing activities	(2,486)	(371)
Net change in cash and cash equivalents	(26,880)	26,945
Cash and cash equivalents at beginning of period	88,072	8,751
Cash and cash equivalents at end of period	$ 61,192	$ 35,696