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Reconciliation of Weighted Average Shares Outstanding
9 Months Ended
Jan. 31, 2021
Reconciliation of Weighted Average Shares Outstanding [Abstract]  
Reconciliation of Weighted Average Shares Outstanding
Note 8 Reconciliation of Weighted Average Shares Outstanding

A reconciliation of the shares used in the computation of earnings per share follows (shares in thousands):

 
Three Months Ended
January 31,
   
Nine Months Ended
January 31,
 
   
2021
   
2020
   
2021
   
2020
 
Weighted average shares outstanding
   
55,984
     
56,083
     
55,968
     
56,328
 
Less: Unvested restricted shares
   
     
(10
)
   
(1
)
   
(16
)
Shares used for basic earnings per share
   
55,984
     
56,073
     
55,967
     
56,312
 
Dilutive effect of unvested restricted stock units and other stock awards
   
348
     
430
     
263
     
386
 
Shares used for diluted earnings per share
   
56,332
     
56,503
     
56,230
     
56,698
 

Since their inclusion in the calculation of diluted earnings per share would have been anti-dilutive, options to purchase 0.1 million and 0.2 million shares of Class A Common Stock have been excluded for the three and nine months ended January 31, 2021, respectively, and options to purchase 0.2 million shares of Class A Common Stock have been excluded for both the three and nine months ended January 31, 2020, respectively.

Nominal number of restricted shares have been excluded in the calculation of diluted earnings per share for the three and nine months ended January 31, 2021, respectively as their inclusion would have been anti-dilutive. No restricted shares were excluded for the three months ended January 31, 2020, and 0.1 million shares have been excluded for the nine months ended January 31, 2020 as their inclusion would have been anti-dilutive.

Warrants to purchase 0.5 million shares of Class A Common Stock have been excluded for both the three and nine months ended January 31, 2021, respectively as their inclusion would have been anti-dilutive. Warrants to purchase 0.5 million shares of Class A Common Stock have been excluded for both the three and nine months ended January 31, 2020, respectively as their inclusion would have been anti-dilutive.

The shares associated with performance-based stock awards are considered contingently issuable shares and will be included in the diluted weighted average number of common shares outstanding when they have met the performance conditions and when their effect is dilutive. The number of shares related to performance-based stock awards outstanding which were not included in diluted earnings per share was 0.6 million shares for the three and nine months ended January 31, 2021, respectively, and 0.5 million shares for the three and nine months ended January 31, 2020, respectively.