Property, Plant and Equipment - Narrative (Details) - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Depreciation and amortization | $ 27,400 | $ 34,200 |
| Depreciation expense recognized in cost of goods sold | 16,400 | 20,100 |
| Capitalized depreciation included in current inventories | 5,100 | 6,100 |
| Impairment to property, plant and equipment | 696 | 3,659 |
| Canadian Cannabis CGU | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Impairment to property, plant and equipment | 2,800 | |
| Certain Production and Other Equipment | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Impairment to property, plant and equipment | $ 700 | 600 |
| Certain Assets Transferred to Held for Sale | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Impairment to property, plant and equipment | $ 1,200 | |