Supplementary cash flow information - Non-cash operating and investing activities (Details) - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Operating activities | ||
| Accounts receivable | $ 0 | $ (12) |
| Accounts payable and accrued liabilities | 45,269 | 35,992 |
| Provisions | 1,219 | 576 |
| Other long-term liabilities | 19,401 | 13,524 |
| Non-cash operating activities | 65,889 | 50,080 |
| Investing activities | ||
| Purchase of PP&E | (12,021) | (11,158) |
| Additions, disposals/retirements, change in estimates and lease modifications of right-of-use assets | (143,914) | (110,778) |
| Additions to intangible assets | (59,927) | (40,908) |
| Non-cash investing activities | $ (215,862) | $ (162,844) |