Intangible Assets - Summary of Components of Intangible Assets (Details) - CAD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 202,245	$ 199,588
Net Carrying Amount	60,652	75,453
Total intangible assets	89,791	104,053
Intellectual Property
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	83,977	82,423
Net Carrying Amount	32,974	38,571
Distribution Channel
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	46,112	45,981
Net Carrying Amount	2,317	3,029
Operating Licenses
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	24,400	24,400
Net Carrying Amount	13,674	15,964
Software and Domain Names
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	33,002	32,262
Net Carrying Amount	3,124	7,010
Brands
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	14,498	14,493
Net Carrying Amount	8,307	10,850
Amortizable Intangibles in Process
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	256	29
Net Carrying Amount	256	29
Acquired Brands
Intangible Assets Net Excluding Goodwill [Line Items]
Indefinite lived intangible assets	$ 29,139	$ 28,600