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Note 7 - Diluted Net Income Per Share (Detail) - The following table sets forth the computation of diluted net income per share (in thousands, except (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Aug. 26, 2012
Aug. 28, 2011
Aug. 28, 2011
Net income applicable to Common Stockholders (in Dollars) $ 2,539 $ 1,812 $ 1,812
Weighted average shares for basic net income per share 25,670 26,409 26,409
Effect of dilutive securities:      
Stock options and restricted stock units (in Dollars) $ 542   $ 278
Weighted average shares for diluted net income per share 26,212 26,687 26,687
Diluted net income per share (in Dollars per share) $ 0.10 $ 0.07 $ 0.07