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Share capital - Initial Public Offering (Details) $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 13, 2021 USD ($) shares | Aug. 11, 2021 shares | Sep. 15, 2020 USD ($) shares | Mar. 31, 2022 USD ($) classOfShares vote | Mar. 31, 2021 USD ($) classOfShares | Dec. 01, 2020
Disclosure of classes of share capital [table] |  |  |  |  |  |
Issuance of shares upon public offerings |  |  |  | $ 823,515 | $ 952,534 |
Share issuance costs |  |  |  | $ 33,984 | $ 44,702 |
Conversion ratio, multiple voting shares into subordinate voting shares |  |  |  |  |  | 1
Number of share classes | classOfShares |  |  |  | 2 | 2 |
Subordinate voting shares |  |  |  |  |  |
Disclosure of classes of share capital [table] |  |  |  |  |  |
Issuance of shares upon public offerings | $ 823,515 |  |  |  |  |
Share issuance costs | $ 33,042 |  | $ 18,044 |  |  |
Votes per share (in votes per share) | vote |  |  |  | 1 |  |
Initial public offering | Subordinate voting shares |  |  |  |  |  |
Disclosure of classes of share capital [table] |  |  |  |  |  |
Issuance of shares upon public offerings (in shares) | shares |  | 8,855,000 | 10,896,196 |  |  |
Issuance of shares upon public offerings |  |  | $ 332,334 |  |  |
Initial public offering, over-allotment option | Subordinate voting shares |  |  |  |  |  |
Disclosure of classes of share capital [table] |  |  |  |  |  |
Issuance of shares upon public offerings (in shares) | shares | 1,155,000 |  | 896,196 |  |  |
Issuance of shares upon public offerings |  |  | $ 27,334 |  |  |
Initial public offering, secondary sale | Subordinate voting shares |  |  |  |  |  |
Disclosure of classes of share capital [table] |  |  |  |  |  |
Issuance of shares upon public offerings (in shares) | shares |  |  | 2,142,808 |  |  |
Issuance of shares upon public offerings |  |  | $ 65,356 |  |  |
Initial public offering, secondary sale | Multiple voting shares |  |  |  |  |  |
Disclosure of classes of share capital [table] |  |  |  |  |  |
Number of shares converted (in shares) | shares |  |  | 238,456 |  |  |

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