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v3.22.2.2

Share Capital (Details) - USD ($) $ in Millions |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 15, 2022 | Jun. 07, 2022 | Jul. 16, 2020 | Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2022 | Jul. 31, 2021
Class of Stock [Line Items] |  |  |  |  |  |  |
Proceeds from Stock Options Exercised |  |  |  | $ 0.1 | $ 0.9 | $ 0.5 | $ 1.5
The 2022 Base Shelf Prospectus |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Shelf Prospectus Period (Month) | 25 months |  |  |  |  |  |
Stock issued during period, shares, new issues (in shares) | 0 |  |  |  |  |  |
The 2020 Base Shelf Prospectus |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Shelf Prospectus Period (Month) |  |  | 25 months |  |  |  |
Shelf Prospectus, Maximum Amount |  |  | $ 1,000.0 |  |  |  |
Stock issued during period, shares, new issues (in shares) |  |  | 0 |  |  |  |
NCIB |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock issued during period, shares, new issues (in shares) |  | 0 |  |  |  |  |
Number of shares to be purchased for cancellation |  | 7,400,000 |  |  |  |  |
Maximum percentage of shares to be repurchased for cancellation |  | 10.00% |  |  |  |  |

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