XML 110 R69.htm IDEA: XBRL DOCUMENT v3.22.2.2

Summary of significant accounting policies - Narrative (Details) - CAD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Disclosure of voluntary change in accounting policy [line items]
Funds held for clients	$ 598,839	$ 593,154
Cash and cash equivalents
Disclosure of voluntary change in accounting policy [line items]
Funds held for clients	$ 504,726	$ 456,525

X

- Definition

The amount in the consolidated financial statements of the assets of the group to which significant restrictions (for example, statutory, contractual and regulatory restrictions) apply on the entity's ability to access or use the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph 13
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_13_c&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_AssetsToWhichSignificantRestrictionsApply
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Name:	ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=gib_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: