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Long-term financial assets | 12 Months Ended
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Sep. 30, 2025
Subclassifications of assets, liabilities and equities [abstract] |
Long-term financial assets | Long-term financial assets
| As at September 30, 2025 | As at September 30, 2024
| $ | $
Deferred compensation plan assets (Notes 17 and 32) | 125,388 |  | 112,270 |
Long-term investments (Note 32) | 27,687 |  | 24,209 |
Long-term receivables | 8,509 |  | 10,114 |
Long-term derivative financial instruments (Note 32) | 854 |  | 2,644 |
| 162,438 |  | 149,237 |

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