Loans and Borrowings - Changes in the Carrying Value of Loans and Borrowings (Details) - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Financial instruments [Abstract] | ||
| Beginning balance | $ 61,707 | $ 57,259 |
| Additions | 11,805 | 12,173 |
| Accretion | 123 | 13 |
| Debt issuance costs | (493) | |
| Principal repayments | (3,679) | (7,245) |
| Disposal | (69,956) | |
| Ending balance | 0 | 61,707 |
| Current borrowings and current portion of non-current borrowings | (21,513) | |
| Non-current portion of non-current borrowings | $ 0 | $ 40,194 |