v3.26.1
Fair Value of Financial Instruments - Narrative (Details) - CAD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]    
Long-term investments $ 12,113 $ 0
Liability 89,255 244,075
Change in put option liability recorded in equity 47,597 (2,077)
Other long term liability, put option | At fair value    
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]    
Liability   $ 47,600
Royalty receivable    
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]    
Long-term investments $ 1,600