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Share capital - Disclosure of objectives, policies and processes for managing capital (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Disclosure of classes of share capital [line items] |  |  |
Long-term debt | $ 147,950 | $ 410,435 | $ 400,429
Total equity | 1,737,211 | 1,780,061 | $ 1,841,032
Undrawn revolving credit facility | 400,000 | 436,610 |
Total capital | $ 2,285,161 | $ 2,627,106 |

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