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Note 3 - Income Per Share (Tables) | 12 Months Ended
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Mar. 30, 2014
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Net Income |  |  | Shares |  |  | Net income per share |
|  | 2014 |  |  | 2013 |  |  | 2012 |  |  | 2014 |  |  | 2013 |  |  | 2012 |  |  | 2014 |  |  | 2013 |  |  | 2012 |
Basic EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic calculation |  | $ | 8,327 |  |  | $ | 7,468 |  |  | $ | 6,158 |  |  |  | 4,450,000 |  |  |  | 4,400,000 |  |  |  | 4,906,000 |  |  | $ | 1.87 |  |  | $ | 1.70 |  |  | $ | 1.26 |
Effect of dilutive employee stock options |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 155,000 |  |  |  | 188,000 |  |  |  | 143,000 |  |  |  | (.06 | ) |  |  | (.07 | ) |  |  | (.04 | )
Diluted EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted calculation |  | $ | 8,327 |  |  | $ | 7,468 |  |  | $ | 6,158 |  |  |  | 4,605,000 |  |  |  | 4,588,000 |  |  |  | 5,049,000 |  |  | $ | 1.81 |  |  | $ | 1.63 |  |  | $ | 1.22 |

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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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