Non-controlling interest (Details) - USD ($) $ in Thousands |
May 31, 2026 |
Aug. 31, 2025 |
|---|---|---|
| Notes and other explanatory information [abstract] | ||
| Balance at beginning of period | $ 17,015 | $ 11,136 |
| Non-controlling interest’s 45% share of Buckreef’s comprehensive income | 15,803 | 5,879 |
| Balance at end of period | $ 32,818 | $ 17,015 |