Financial risk management objectives and policies - Schedule of Losses (Gains) Reclassified from Other Comprehensive Income on Cash Flow Hedges to the Consolidated Financial Statements (Details) - Foreign exchange risk - Operating hedge program - Cash flow hedges - CAD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 29, 2026 |
Mar. 30, 2025 |
Mar. 31, 2024 |
|
| Disclosure of detailed information about hedges [line items] | |||
| Revenue | $ (0.5) | $ (3.4) | $ 1.8 |
| SG&A expenses | (0.2) | (0.7) | (0.4) |
| Inventory | $ 0.0 | $ (0.8) | $ 0.5 |