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Note 5 - Diluted Net Income Per Share (Tables) | 9 Months Ended
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Feb. 25, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | February 25, 2018 |  |  | February 26, 2017 |  |  | February 25, 2018 |  |  | February 26, 2017 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income ap plicable to Common Stockholders |  | $ | 16,088 |  |  | $ | 3,500 |  |  | $ | 18,721 |  |  | $ | 8,138 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares for basic net income per share |  |  | 27,547 |  |  |  | 27,286 |  |  |  | 27,524 |  |  |  | 27,252 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock units |  |  | 371 |  |  |  | 396 |  |  |  | 360 |  |  |  | 356 |
Weighted average shares for diluted net income per share |  |  | 27,918 |  |  |  | 27,682 |  |  |  | 27,884 |  |  |  | 27,608 |
Diluted net income per share |  | $ | 0.58 |  |  | $ | 0.13 |  |  | $ | 0.67 |  |  | $ | 0.29 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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