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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
Income Statement [Abstract] |  |  |
Revenues | $ 892,574 | $ 739,046 | $ 627,052
Cost of revenues | 797,872 | 659,428 | 552,138
Gross profit | 94,702 | 79,618 | 74,914
Selling, general and administrative expenses | 57,988 | 47,983 | 44,014
Operating income | 36,714 | 31,635 | 30,900
Other income (expense): |  |  |
Interest expense | (800) | (814) | (795)
Interest income | 32 | 26 | 71
Other | (30) | (357) | 440
Income before income tax expense | 35,916 | 30,490 | 30,616
Provision for federal, state and foreign income taxes | 11,908 | 13,302 | 11,634
Net income | $ 24,008 | $ 17,188 | $ 18,982
Basic earnings per common share | $ 0.92 | $ 0.66 | $ 0.72
Diluted earnings per common share | $ 0.91 | $ 0.65 | $ 0.71
Weighted average common shares outstanding: |  |  |
Basic | 25,962 | 25,921 | 26,406
Diluted | 26,358 | 26,298 | 26,686

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