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Earnings Per Share
 9 Months Ended
Jan. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic earnings per share is based on the weighted average number of common shares outstanding during the year. Diluted earnings per share reflects the assumed exercise of outstanding options and the conversion of restricted stock units (“RSUs”) under the Company’s various stock compensation plans, except when RSUs and options have an antidilutive effect. There were 83,910 and 95,906 antidilutive RSUs and options outstanding at January 31, 2021 and January 31, 2020, respectively. The following is a reconciliation of basic to diluted weighted average common shares outstanding (in thousands):
Three Months Ended January 31,Nine Months Ended January 31,
2021202020212020
Basic2,762 2,750 2,759 2,750 
Dilutive effect of stock options and RSUs27 — — — 
Weighted average common shares outstanding - diluted2,789 2,750 2,759 2,750