v3.26.1
Goodwill - Changes in Carrying Amount of Goodwill (Details) - CAD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Goodwill [Line Items]        
Beginning Balance   $ 46,042,000 $ 43,239,000 $ 55,685,000
Purchase accounting allocations   55,685,000    
Impairment losses $ 0 (47,491,000)   (42,081,000)
Foreign currency translation adjustments   1,449,000 2,803,000  
Ending Balance $ 46,042,000 $ 55,685,000 $ 46,042,000 $ 43,239,000