XML 179 R138.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Financial instruments - Cross-currency swap agreements (Details) € in Thousands, £ in Thousands, kr in Thousands, $ in Thousands, $ in Thousands | Sep. 30, 2022 CAD ($) | Sep. 30, 2022 EUR (€) | Sep. 30, 2022 GBP (£) | Sep. 30, 2022 SEK (kr) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 CAD ($)
--- | --- | --- | --- | --- | --- | ---
Cross-currency swaps |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Hedges of net investments in European operations | $ 229,301 |  |  |  |  | $ (17,187)
Hedges of net investments in European operations | Cross-currency swaps in Euro |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Hedges of net investments in European operations | 78,647 |  |  |  |  | 12,859
Hedges of net investments in European operations | Cross-currency swaps in Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Notional | 759,400 |  |  |  |  |
Pay Notional | € |  | € 521,337 |  |  |  |
Hedges of net investments in European operations | Cross-currency swaps in British pound |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Hedges of net investments in European operations | 24,247 |  |  |  |  | 9,814
Hedges of net investments in European operations | Cross-currency swaps in British pound | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Notional | 136,274 |  |  |  |  |
Pay Notional | £ |  |  | £ 75,842 |  |  |
Hedges of net investments in European operations | Cross-currency swaps in Swedish krona |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Hedges of net investments in European operations | 12,625 |  |  |  |  | 5,820
Hedges of net investments in European operations | Cross-currency swaps in Swedish krona | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Notional | 58,419 |  |  |  |  |
Pay Notional | kr |  |  |  | kr 371,900 |  |
Hedges of net investments in European operations and cash flow hedges on unsecured committed term loan credit facility | Cross-currency swap agreement between USD to Euro |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Hedges of net investments in European operations and cash flow hedges on unsecured committed term loan credit facility | $ 104,330 |  |  |  |  | (27,819)
Hedges of net investments in European operations and cash flow hedges on unsecured committed term loan credit facility | Cross-currency swap agreement between USD to Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Notional |  |  |  |  | $ 500,000 |
Receive Rate | 1.00% | 1.00% | 1.00% | 1.00% | 1.00% |
Pay Notional | € |  | € 443,381 |  |  |  |
Cash flow hedges of 2014 U.S Senior Notes | Cross-currency swap agreement between USD to CAD |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Cash flow hedges of 2014 U.S Senior Notes | $ 9,452 |  |  |  |  | $ 17,861
Cash flow hedges of 2014 U.S Senior Notes | Cross-currency swap agreement between USD to CAD | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Notional |  |  |  |  | $ 265,000 |
Pay Notional | $ 354,093 |  |  |  |  |
Minimum | Hedges of net investments in European operations | Cross-currency swaps in Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 1.62% | 1.62% | 1.62% | 1.62% | 1.62% |
Pay rate | (0.14%) | (0.14%) | (0.14%) | (0.14%) | (0.14%) |
Minimum | Hedges of net investments in European operations | Cross-currency swaps in British pound | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.57% | 3.57% | 3.57% | 3.57% | 3.57% |
Pay rate | 2.67% | 2.67% | 2.67% | 2.67% | 2.67% |
Minimum | Hedges of net investments in European operations | Cross-currency swaps in Swedish krona | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.57% | 3.57% | 3.57% | 3.57% | 3.57% |
Pay rate | 2.12% | 2.12% | 2.12% | 2.12% | 2.12% |
Minimum | Hedges of net investments in European operations and cash flow hedges on unsecured committed term loan credit facility | Cross-currency swap agreement between USD to Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Pay rate | 1.13% | 1.13% | 1.13% | 1.13% | 1.13% |
Minimum | Cash flow hedges of 2014 U.S Senior Notes | Cross-currency swap agreement between USD to CAD | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.74% | 3.74% | 3.74% | 3.74% | 3.74% |
Pay rate | 3.45% | 3.45% | 3.45% | 3.45% | 3.45% |
Maximum | Hedges of net investments in European operations | Cross-currency swaps in Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.81% | 3.81% | 3.81% | 3.81% | 3.81% |
Pay rate | 2.51% | 2.51% | 2.51% | 2.51% | 2.51% |
Maximum | Hedges of net investments in European operations | Cross-currency swaps in British pound | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.63% | 3.63% | 3.63% | 3.63% | 3.63% |
Pay rate | 2.80% | 2.80% | 2.80% | 2.80% | 2.80% |
Maximum | Hedges of net investments in European operations | Cross-currency swaps in Swedish krona | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 3.68% | 3.68% | 3.68% | 3.68% | 3.68% |
Pay rate | 2.18% | 2.18% | 2.18% | 2.18% | 2.18% |
Maximum | Hedges of net investments in European operations and cash flow hedges on unsecured committed term loan credit facility | Cross-currency swap agreement between USD to Euro | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Pay rate | 1.17% | 1.17% | 1.17% | 1.17% | 1.17% |
Maximum | Cash flow hedges of 2014 U.S Senior Notes | Cross-currency swap agreement between USD to CAD | Currency risk |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |
Receive Rate | 4.06% | 4.06% | 4.06% | 4.06% | 4.06% |
Pay rate | 3.81% | 3.81% | 3.81% | 3.81% | 3.81% |

X
- Definition Derivative, Notional Amount, Pay + References No definition available. + Details
Name: | gib_DerivativeNotionalAmountPay
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Derivative, Notional Amount, Receive + References No definition available. + Details
Name: | gib_DerivativeNotionalAmountReceive
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financial Instruments Designated As Hedging Instruments And Cash Flow, At Fair Value + References No definition available. + Details
Name: | gib_FinancialInstrumentsDesignatedAsHedgingInstrumentsAndCashFlowAtFairValue
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Pay Rate, Currency Risk + References No definition available. + Details
Name: | gib_PayRateCurrencyRisk
Namespace Prefix: | gib_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Receive Rate, Currency Risk + References No definition available. + Details
Name: | gib_ReceiveRateCurrencyRisk
Namespace Prefix: | gib_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Receive Rate, Currency Risk, Adjustment To Interest Rate Basis + References No definition available. + Details
Name: | gib_ReceiveRateCurrencyRiskAdjustmentToInterestRateBasis
Namespace Prefix: | gib_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of contractual undiscounted cash flows in relation to contractual amounts to be exchanged in a derivative financial instrument for which gross cash flows are exchanged. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph B11D -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11D_d&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
Name: | ifrs-full_ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchanged
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 22 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22_b&doctype=Standard&book=b -URIDate 2021-03-24 + Details
Name: | ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapAgreementBetweenCanadianDollarToEuroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapAgreementBetweenCanadianDollarToBritishPoundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapAgreementBetweenCanadianDollarToSwedishKronaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=gib_HedgesOfNetInvestmentInForeignOperationsAndCashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapAgreementBetweenUSDToEuroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=gib_CashFlowHedgesOn2014USSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=gib_CrossCurrencySwapAgreementBetweenUSDToCanadianDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |