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Calculation of Weighted Average Number of Dilutive Share (Detail)
3 Months Ended
Aug. 30, 2013
Aug. 31, 2012
Earnings Per Share [Abstract]    
Weighted average number of common shares used in computing basic earnings per share 11,732,632 11,734,632
Effect of dilutive stock options 0 0
Weighted average number of common shares and dilutive potential common stock used in computing dilutive earnings per share 11,732,632 11,734,632