v3.26.1
Non-controlling Interest ("NCI") (Details) - CAD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disclosure of subsidiaries [line items]    
Beginning balance $ 608,591 $ 601,870
Share of loss (135,964) 1,591 [1]
Ending balance 511,832 608,591
Non-Controlling Interests    
Disclosure of subsidiaries [line items]    
Beginning balance 41,420 42,097
Share of loss (14,204) (677)
Change in ownership interests in net assets (27,216)  
Ending balance $ 0 $ 41,420
[1] Adjusted for discontinued operations (Note 6).