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Inventories - Summary of Inventories, Net of Reserves (Detail) - CAD ($)
$ in Thousands
Mar. 28, 2026
Mar. 29, 2025
Inventory Disclosure [Abstract]    
Raw materials and work in progress $ 2,672 $ 3,926
Finished goods 123,440 112,351
Total inventory $ 126,112 $ 116,277