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Contract costs (Details) - CAD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Disclosure Of Contract Costs [Line Items] |  |
Transition costs | $ 299,001 | $ 256,368
Incentives | 9,445 | 5,244
Contract assets | 308,446 | 261,612
Cost |  |
Disclosure Of Contract Costs [Line Items] |  |
Transition costs | 549,848 | 481,836
Incentives | 52,331 | 50,331
Contract assets | 602,179 | 532,167
Accumulated amortization and impairment |  |
Disclosure Of Contract Costs [Line Items] |  |
Transition costs | 250,847 | 225,468
Incentives | 42,886 | 45,087
Contract assets | $ 293,733 | $ 270,555

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- Definition The amount of non-current contract assets. [Refer: Contract assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 105 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_105&doctype=Standard -URIDate 2023-03-23 + Details
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