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Reconciliation of Weighted Average Shares Outstanding (Tables)
 3 Months Ended
Jul. 31, 2019
Reconciliation of Weighted Average Shares Outstanding [Abstract]  
Reconciliation of Shares used in Computation of Earnings Per Share A reconciliation of the shares used in the computation of earnings per share follows:


 
Three Months Ended
July 31,
  
   
2019
    
2018
  
Weighted average shares outstanding
    
56,564
      
57,510
  
Less: Unvested restricted shares
    
(28
)
    
(80
)
Shares used for basic earnings per share
    
56,536
      
57,430
  
Dilutive effect of stock options and other stock awards
    
369
      
684
  
Shares used for diluted earnings per share
    
56,905
      
58,114