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Summary of material accounting policies - Disclosure of estimated useful lives of intangible assets (Details)	12 Months Ended
	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

X

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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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- Details

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X

- Details

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X

- Details

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- Details

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- Details

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Namespace Prefix:
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