XML 87 R49.htm IDEA: XBRL DOCUMENT
v3.24.4

Other long-term assets (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2024
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of other long-term assets |
| As at September 30, 2024 | As at September 30, 2023
| $ | $
Long-term prepaid services | 24,061 |  | 28,674 |
Insurance contracts held to fund defined benefit pension and life assurance arrangements - reimbursement rights (Note 17) | 19,675 |  | 19,458 |
Retirement benefits assets (Note 17) | 22,446 |  | 836 |
Deposits | 13,503 |  | 15,634 |
Deferred financing fees | 2,425 |  | 2,531 |
Other | 28,330 |  | 17,643 |
| 110,440 |  | 84,776 |

X
- Definition Disclosure Of Detailed Information On Other Non-Current Assets, Explanatory [Table Text Block] + References No definition available. + Details
Name: | gib_DisclosureOfDetailedInformationOnOtherNonCurrentAssetsExplanatoryTableTextBlock
Namespace Prefix: | gib_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration