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Intangible Assets - Summary of Components of Intangible Assets (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Mar. 31, 2022
--- | --- | ---
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | $ 281,613 | $ 276,057
Net Carrying Amount | 150,756 | 167,886
Total intangible assets | 213,530 | 252,695
Intellectual Property |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 141,488 | 138,170
Net Carrying Amount | 89,758 | 97,638
Distribution Channel |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 72,799 | 72,642
Net Carrying Amount | 22,045 | 24,834
Operating Licenses |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 24,400 | 24,400
Net Carrying Amount | 19,762 | 22,052
Indefinite lived intangible assets |  | 10,000
Software and Domain Names |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 36,464 | 29,822
Net Carrying Amount | 15,221 | 14,206
Brands |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 5,620 | 5,547
Net Carrying Amount | 3,128 | 3,680
Amortizable Intangibles in Process |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Gross Carrying Amount | 842 | 5,476
Net Carrying Amount | 842 | 5,476
Acquired Brands |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Indefinite lived intangible assets | $ 62,774 | $ 74,809

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