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Intangible Assets - Additional Information (Details) - CAD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Finite Lived Intangible Assets [Line Items]    
Amortization of intangible assets $ 4,683 $ 4,917
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold    
Finite Lived Intangible Assets [Line Items]    
Amortization of intangible assets 3 3
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense    
Finite Lived Intangible Assets [Line Items]    
Amortization of intangible assets $ 4,680 $ 4,914