Intangible Assets - Summary of Components of Intangible Assets (Details) - CAD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 274,112	$ 276,057
Net Carrying Amount	153,023	167,886
Total intangible assets	223,501	252,695
Intellectual Property
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	135,256	138,170
Net Carrying Amount	89,214	97,638
Distribution Channel
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	71,997	72,642
Net Carrying Amount	22,515	24,834
Operating Licenses
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	24,400	24,400
Net Carrying Amount	20,528	22,052
Indefinite lived intangible assets		10,000
Software and Domain Names
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	35,718	29,822
Net Carrying Amount	16,184	14,206
Brands
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	5,383	5,547
Net Carrying Amount	3,224	3,680
Amortizable Intangibles in Process
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	1,358	5,476
Net Carrying Amount	1,358	5,476
Acquired Brands
Intangible Assets Net Excluding Goodwill [Line Items]
Indefinite lived intangible assets	$ 70,478	$ 74,809