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Reconciliation of Weighted Average Shares Outstanding (Tables)
12 Months Ended
Apr. 30, 2017
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 for the years ended April 30 follows (in thousands):
 
 
2017
2016
2015
Weighted Average Shares Outstanding
57,531
58,253
59,004
Less:  Unearned Restricted Shares
(194)
(255)
(271)
Shares Used for Basic Earnings Per Share
57,337
57,998
58,733
Dilutive Effect of Stock Options and Other Stock Awards
862
736
861
Shares Used for Diluted Earnings Per Share
58,199
58,734
59,594