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Net Income Per Share (Tables)
3 Months Ended
Jul. 31, 2016
Earnings Per Share [Abstract]  
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)
 
July 31, 2016
   
August 2, 2015
 
Weighted average common shares outstanding, basic
   
12,286
     
12,277
 
Dilutive effect of stock-based compensation
   
177
     
179
 
Weighted average common shares outstanding, diluted
   
12,463
     
12,456