Financial Instruments Risk - Currency Risk (Details) - Currency risk - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| Net income (loss) | $ (2,154) | $ (15,686) |
| Other comprehensive income, net of tax | $ 12,548 | (1,892) |
| EUR | ||
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| Change in risk variable percentage | 10.00% | |
| Net income (loss) | $ 1,951 | (6,686) |
| Other comprehensive income, net of tax | $ 10,072 | (2,364) |
| AUD | ||
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| Change in risk variable percentage | 10.00% | |
| Net income (loss) | $ (4,105) | (9,000) |
| Other comprehensive income, net of tax | $ 2,476 | $ 472 |