Segmented Information - Non-current Assets by Geographical Location (Details) - CAD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of geographical areas [line items] | ||
| Non-current assets other than financial instruments | $ 185,398 | $ 364,863 |
| Canada | ||
| Disclosure of geographical areas [line items] | ||
| Non-current assets other than financial instruments | 121,500 | 294,204 |
| EU | ||
| Disclosure of geographical areas [line items] | ||
| Non-current assets other than financial instruments | 36,412 | 29,751 |
| Australia | ||
| Disclosure of geographical areas [line items] | ||
| Non-current assets other than financial instruments | $ 27,486 | $ 40,908 |