Property, Plant and Equipment - Narrative (Details) - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Impairment to property, plant and equipment | $ 2,775 | $ 696 |
| Depreciation expense | 24,800 | 18,100 |
| Depreciation expense recognized in cost of goods sold | 12,400 | $ 12,400 |
| Consumer channel | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Impairment to property, plant and equipment | $ 2,200 | |