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CONSOLIDATED STATEMENTS OF NET INCOME (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
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Aug. 03, 2014 | Jul. 28, 2013
Income Statement [Abstract] |  |
Net sales | $ 76,060 | $ 70,141
Cost of sales | 63,345 | 57,067
Gross profit | 12,715 | 13,074
Selling, general and administrative expenses | 7,419 | 7,100
Income from operations | 5,296 | 5,974
Interest expense | 68 | 140
Interest income | (142) | (92)
Other (income) expense | (89) | 391
Income before income taxes | 5,459 | 5,535
Income taxes | 2,115 | 2,305
Net income | $ 3,344 | $ 3,230
Net income per share, basic | $ 0.27 | $ 0.27
Net income per share, diluted | $ 0.27 | $ 0.26
Average shares outstanding, basic | 12,212 | 12,148
Average shares outstanding, diluted | 12,404 | 12,366

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