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Net Income Per Share (Tables) | 9 Months Ended
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Jan. 27, 2013
Schedule of Weighted Average Shares Used in the Computation of Basic and Diluted Net Income Per Share | Weighted average shares used in the computation of basic and diluted net income per share follows:
|  | Three months ended |
(amounts in thousands) |  | January 27, 2013 |  |  | January 29, 2012 |
Weighted average common shares outstanding, basic |  |  | 12,095 |  |  |  | 12,536 |
Dilutive effect of stock-based compensation |  |  | 195 |  |  |  | 141 |
Weighted average common shares outstanding, diluted |  |  | 12,290 |  |  |  | 12,677 |
|  | Nine months ended |
(amounts in thousands) |  | January 27, 2013 |  |  | January 29, 2012 |
Weighted average common shares outstanding, basic |  |  | 12,279 |  |  |  | 12,777 |
Dilutive effect of stock-based compensation |  |  | 188 |  |  |  | 141 |
Weighted average common shares outstanding, diluted |  |  | 12,467 |  |  |  | 12,918 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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