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Note 8 - Diluted Net Income Per Share (Tables) | 3 Months Ended
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Aug. 26, 2012
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] |
|  | Three Months Ended August 26, 2012 (Restated) |  |  | Three Months Ended August 28, 2011 |
Numerator: |  |  |  |  |  |
Net income applicable to Common Stockholders |  | $ | 4,366 |  |  | $ | 1,812 |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares for basic net income per share |  |  | 25,670 |  |  |  | 26,409 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options and restricted stock units |  |  | 542 |  |  |  | 278 |
Weighted average shares for diluted net income per share |  |  | 26,212 |  |  |  | 26,687 |
Diluted net income per share |  | $ | 0.17 |  |  | $ | 0.07 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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