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Common Shares
9 Months Ended
Jan. 31, 2022
Stockholders' Equity Note [Abstract]  
Common Shares The following table sets forth common share information.
January 31, 2022April 30, 2021
Common shares authorized300.0 300.0 
Common shares outstanding108.5 108.3 
Treasury shares38.0 38.2 
Repurchase Program: During the nine months ended January 31, 2022, we did not repurchase any common shares under a repurchase plan authorized by the Board. During the nine months ended January 31, 2021, we repurchased 4.5 million common shares for $521.9 under our repurchase program. The remaining shares repurchased during the nine months ended January 31, 2022 and 2021, consisted of shares repurchased from stock plan recipients in lieu of cash payments. At January 31, 2022, approximately 7.8 million common shares remain available for repurchase pursuant to the Board’s authorizations.