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v3.22.1

Share Capital (Tables) | 12 Months Ended
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Jan. 31, 2022
Notes Tables |
Schedule of common shares outstanding | The following table sets forth the common shares outstanding (number of shares in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | January 31, |  | January 31, |  | January 31,
(thousands of shares) | ​ | 2022 | ​ | 2021 | ​ | 2020
Balance, beginning of year |  | 84,494 |  | 84,156 |  | 76,865
Shares issued: |  |  |  |  |  |
Stock options and share units exercised |  | 262 |  | 338 |  | 95
Issuance of common shares |  | — |  | — |  | 6,900
Acquisitions (Note 3) |  | — |  | — |  | 296
Balance, end of year |  | 84,756 |  | 84,494 |  | 84,156

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