v3.26.1
Intangible assets - Schedule of Intangible Assets (Details) - CAD ($)
$ in Millions
Mar. 29, 2026
Mar. 30, 2025
Disclosure of detailed information about intangible assets [line items]    
Intangible assets $ 127.9 $ 131.9
Intangible assets with finite lives    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets 11.1 15.1
Intangible assets with indefinite lives: | Brand name    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets 116.5 116.5
Intangible assets with indefinite lives: | Domain name    
Disclosure of detailed information about intangible assets [line items]    
Intangible assets $ 0.3 $ 0.3