v3.26.1
Trade receivables - Schedule of Net Trade Receivables (Details) - CAD ($)
$ in Millions
Mar. 29, 2026
Mar. 30, 2025
Mar. 31, 2024
Trade receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables $ 108.4 $ 98.0  
Carrying value | Trade receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables 127.1 100.5  
Carrying value | Trade accounts receivable      
Trade And Other Current Receivables [Line Items]      
Trade receivables 92.1 68.6  
Carrying value | Sales tax receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables 27.8 22.9  
Carrying value | Credit card receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables 4.5 4.5  
Carrying value | Other receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables 2.7 4.5  
Less: expected credit loss and sales allowances | Trade receivables      
Trade And Other Current Receivables [Line Items]      
Trade receivables (18.7) (2.5)  
Less: expected credit loss and sales allowances | Trade accounts receivable      
Trade And Other Current Receivables [Line Items]      
Trade receivables $ (18.7) $ (2.5) $ (2.7)