Inventories - Continuity of the Inventory Reserves (Detail) - CAD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 28, 2026 |
Mar. 29, 2025 |
Mar. 30, 2024 |
|
| Inventory Disclosure [Abstract] | |||
| Beginning balance | $ 2,436 | $ 2,196 | $ 1,875 |
| Additional charges | 1,291 | 565 | 688 |
| Deductions | (879) | (325) | (367) |
| Ending balance | $ 2,848 | $ 2,436 | $ 2,196 |