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Share Capital (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2023
Share Capital |
Schedule of common shares outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | January 31, |  | January 31, |  | January 31,
(thousands of shares) | ​ | 2023 | ​ | 2022 | ​ | 2021
Balance, beginning of year |  | 84,756 |  | 84,494 |  | 84,156
Shares issued: |  |  |  |  |  |
Stock options and share units exercised |  | 64 |  | 262 |  | 338
Issuance of common shares |  | — |  | — |  | —
Acquisitions (Note 3) |  | — |  | — |  | —
Balance, end of year |  | 84,820 |  | 84,756 |  | 84,494
​

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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