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Note 7 - Diluted Net Income Per Share | 9 Months Ended
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Feb. 24, 2013
Earnings Per Share [Text Block] | 7. Diluted Net Income Per Share The following table sets forth the computation of diluted net income per share (in thousands, except per share amounts):
|  | Three Months Ended February 24, 2013 |  |  | Three Months Ended February 26, 2012 |  |  | Nine Months Ended February 24, 2013 |  |  | Nine Months Ended February 26, 2012 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income applicable to Common Stockholders |  | $ | 4,789 |  |  | $ | 4,765 |  |  | $ | 18,068 |  |  | $ | 9,917 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares for basic net income per share |  |  | 25,839 |  |  |  | 25,538 |  |  |  | 25,752 |  |  |  | 25,944 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock units |  |  | 828 |  |  |  | 287 |  |  |  | 740 |  |  |  | 261 |
Weighted average shares for diluted net income per share |  |  | 26,667 |  |  |  | 25,825 |  |  |  | 26,492 |  |  |  | 26,205 |
Diluted net income per share |  | $ | 0.18 |  |  | $ | 0.18 |  |  | $ | 0.68 |  |  | $ | 0.38 |
For the three months ended February 24, 2013 and February 26, 2012, the computation of the diluted net income per share excludes the impact of options to purchase 95,527 shares and 1.9 million shares of Common Stock, respectively, as such impacts would be antidilutive for these periods. For the nine months ended February 24, 2013 and February 26, 2012, the computation of the diluted net income per share excludes the impact of options to purchase 88,128 shares and 2.0 million shares of Common Stock, respectively, as such impacts would be antidilutive for these periods.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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