v3.26.1
Intangible Assets - Additional Information (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Finite Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 17,447 $ 21,596 $ 24,800
Intangible Assets      
Finite Lived Intangible Assets [Line Items]      
Asset impairment and restructuring costs 8,028 0 17,266
Costs Recorded in Cost of Goods Sold      
Finite Lived Intangible Assets [Line Items]      
Amortization of intangible assets 14 33 55
Restructuring and other charges 9,878 1,991 (986)
Selling, General and Administrative Expenses      
Finite Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 17,433 $ 21,563 $ 24,745