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Reconciliation of Weighted Average Shares Outstanding and Share Repurchases (Tables)
6 Months Ended
Oct. 31, 2017
Reconciliation of Weighted Average Shares Outstanding and Share Repurchases [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 (in thousands):
  
Three Months
Ended October 31,
  
Six Months
Ended October 31,
 
  
2017
  
2016
  
2017
  
2016
 
             
Weighted average shares outstanding
  
57,013
   
57,759
   
57,100
   
57,717
 
Less: Unearned restricted shares
  
(138
)
  
(221
)
  
(152
)
  
(223
)
Shares used for basic earnings per share
  
56,875
   
57,538
   
56,948
   
57,494
 
Dilutive effect of stock options and other stock awards
  
679
   
-
   
685
   
765
 
Shares used for diluted earnings per share
  
57,554
   
57,538
   
57,633
   
58,259