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Summary of material accounting policies - Disclosure of estimated useful lives of intangible assets (Details) | 12 Months Ended
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Sep. 30, 2024
Minimum | Software internally developed |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 1 year
Minimum | Business solutions |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 3 years
Minimum | Client relationships and backlog |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 5 years
Maximum | Software internally developed |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 8 years
Maximum | Business solutions |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 10 years
Maximum | Client relationships and backlog |
Disclosure of detailed information about intangible assets [line items] |
Estimated useful life | 7 years

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_a&doctype=Standard -URIDate 2024-03-27 + Details
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