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v3.25.3

Restructuring, acquisition and related integration costs (Details) - CAD ($) | 12 Months Ended | 18 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2024
Analysis of income and expense [abstract] |  |  |
Restructuring | $ 196,796,000 | $ 0 |
Cost optimization program | 0 | 91,063,000 | $ 100,027,000
Acquisition and related integration costs | 88,235,000 | 5,866,000 |
Restructuring, acquisition and related integration costs | $ 285,031,000 | $ 96,929,000 |

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- Definition The amounts recognised for transaction recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2025-01-01 -Paragraph B64 -Subparagraph l -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_l_iii&doctype=Appendix&subtype=B -URIDate 2025-03-27 + Details
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