Supplementary cash flow information - Interest and income taxes paid and received (Details) - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
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| Cash Flow Statement [Abstract] | ||
| Interest paid | $ 129,133 | $ 102,180 |
| Interest received | 62,604 | 87,153 |
| Income taxes paid | $ 603,370 | $ 740,325 |
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- Definition Cash Flows Statement [Abstract] No definition available.
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- Definition The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash outflow for interest paid, classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash inflow from interest received, classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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