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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Contract revenues	$ 250,558	$ 210,489	$ 751,196	$ 546,093
Contract costs	220,986	190,676	665,459	485,152
Gross profit	29,572	19,813	85,737	60,941
Selling, general and administrative expenses	15,639	13,523	46,072	41,174
Amortization of intangible assets	84	84	251	251
Gain on sale of property and equipment	(387)	(428)	(707)	(728)
Income from operations	14,236	6,634	40,121	20,244
Other income (expense)
Interest income		5	1	48
Interest expense	(368)	(93)	(754)	(463)
Other, net	(87)	(21)	(146)	(53)
Income before provision for income taxes	13,781	6,525	39,222	19,776
Income tax expense	5,035	2,304	14,731	7,338
Net income	$ 8,746	$ 4,221	$ 24,491	$ 12,438
Income per common share:
-Basic (in dollars per share)	$ 0.42	$ 0.21	$ 1.19	$ 0.62
-Diluted (in dollars per share)	$ 0.41	$ 0.20	$ 1.15	$ 0.59
Weighted average number of common shares and potential common shares outstanding:
-Basic (in shares)	20,410	20,265	20,349	20,102
-Diluted (in shares)	21,186	21,041	21,134	20,985

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