Leases - Schedule of Classification of Lease Liabilities (Details) - CAD ($) $ in Millions |
Mar. 29, 2026 |
Mar. 30, 2025 |
Mar. 31, 2024 |
|---|---|---|---|
| Schedule of Detailed Information About Lease Liabilities [Line Items] | |||
| Current lease liabilities | $ 92.8 | $ 83.9 | |
| Non-current lease liabilities | 281.8 | 246.9 | |
| Lease liabilities | 374.6 | 330.8 | $ 330.5 |
| Retail stores | |||
| Schedule of Detailed Information About Lease Liabilities [Line Items] | |||
| Current lease liabilities | 77.1 | 70.3 | |
| Non-current lease liabilities | 227.3 | 189.7 | |
| Lease liabilities | 304.4 | 260.0 | 255.7 |
| Manufacturing facilities | |||
| Schedule of Detailed Information About Lease Liabilities [Line Items] | |||
| Current lease liabilities | 7.6 | 6.1 | |
| Non-current lease liabilities | 17.0 | 17.2 | |
| Lease liabilities | 24.6 | 23.3 | 23.8 |
| Other | |||
| Schedule of Detailed Information About Lease Liabilities [Line Items] | |||
| Current lease liabilities | 8.1 | 7.5 | |
| Non-current lease liabilities | 37.5 | 40.0 | |
| Lease liabilities | $ 45.6 | $ 47.5 | $ 51.0 |