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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)
In Thousands, except Per Share data
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Contract revenues$ 210,489$ 152,767$ 546,093$ 441,941
Contract costs190,676135,731485,152393,023
Gross profit19,81317,03660,94148,918
Selling, general and administrative expenses13,52311,02341,17432,635
Amortization of intangible assets8484251251
Gain on sale of property and equipment(428)(278)(728)(724)
Income from operations6,6346,20720,24416,756
Other income (expense)    
Interest income5144837
Interest expense(93)(398)(463)(809)
Other, net(21)(31)(53)(114)
Income before provision for income taxes6,5255,79219,77615,870
Income tax expense2,3041,8917,3385,836
Net income$ 4,221$ 3,901$ 12,438$ 10,034
Income per common share:    
Basic (in dollars per share)$ 0.21$ 0.20$ 0.62$ 0.51
Diluted (in dollars per share)$ 0.20$ 0.19$ 0.59$ 0.48
Weighted average number of common shares and potential common shares outstanding:    
Basic (in shares)20,26519,91520,10219,868
Diluted (in shares)21,04120,77620,98520,766