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Common Shares (Tables) | 9 Months Ended
--- | ---
Jan. 31, 2022
Stockholders' Equity Note [Abstract] |
Common shares information | The following table sets forth common share information.
| January 31, 2022 |  | April 30, 2021
Common shares authorized | 300.0 |  |  | 300.0 |
Common shares outstanding | 108.5 |  |  | 108.3 |
Treasury shares | 38.0 |  |  | 38.2 |

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- References No definition available. + Details
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