XML 166 R125.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Segmented information - Disclosure of operating segment information (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Disclosure of operating segments [line items] |  |
Segment revenue | $ 12,867,201 | $ 12,126,793
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 2,086,636 | 1,952,161
Acquisition-related and integration costs (Note 26c) | (27,654) | (7,371)
Net finance costs | (92,023) | (106,798)
Earnings before income taxes | 1,966,959 | 1,837,992
Amortization and depreciation, without amortization of deferred financing fees | 470,572 | 508,071
Impairment included in amortisation from business solutions and contract costs | 3,359 | 8,713
Western and Southern Europe |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 2,152,113 | 1,917,760
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 289,730 | 269,350
Amortization and depreciation, without amortization of deferred financing fees | 62,922 | 60,186
Impairment included in amortisation from business solutions and contract costs |  | 3,058
U.S. Commercial and State Government |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 2,075,321 | 1,800,747
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 304,767 | 281,217
Amortization and depreciation, without amortization of deferred financing fees | 70,417 | 71,037
Canada |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 1,981,380 | 1,755,804
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 463,289 | 390,370
Amortization and depreciation, without amortization of deferred financing fees | 57,528 | 65,038
U.S. Federal |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 1,750,902 | 1,607,431
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 276,395 | 252,657
Amortization and depreciation, without amortization of deferred financing fees | 54,073 | 49,636
Scandinavia and Central Europe |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 1,571,118 | 1,663,470
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 125,728 | 138,191
Amortization and depreciation, without amortization of deferred financing fees | 91,435 | 102,474
U.K. and Australia |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 1,291,125 | 1,355,603
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 200,117 | 218,624
Amortization and depreciation, without amortization of deferred financing fees | 40,765 | 57,888
Finland, Poland and Baltics |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 729,024 | 768,994
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 96,651 | 114,358
Amortization and depreciation, without amortization of deferred financing fees | 33,219 | 39,275
Impairment included in amortisation from business solutions and contract costs |  | 3,490
Northwest and Central-East Europe |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 692,859 | 716,183
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 88,287 | 79,898
Amortization and depreciation, without amortization of deferred financing fees | 34,323 | 35,298
Impairment included in amortisation from business solutions and contract costs | 2,131 |
Asia Pacific |  |
Disclosure of operating segments [line items] |  |
Segment revenue | 799,661 | 680,554
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | 241,672 | 207,496
Amortization and depreciation, without amortization of deferred financing fees | 25,890 | 27,239
Eliminations |  |
Disclosure of operating segments [line items] |  |
Segment revenue | (176,302) | (139,753)
Segment earnings before acquisition-related and integration costs, net finance costs and income tax expense | $ 0 | $ 0

X
- Definition Depreciation And Amortisation Expense, Without Amortization Of Deferred Financing Fees + References No definition available. + Details
Name: | gib_DepreciationAndAmortisationExpenseWithoutAmortizationOfDeferredFinancingFees
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impairment Included In Amortisation From Business Solutions And Contract Costs + References No definition available. + Details
Name: | gib_ImpairmentIncludedInAmortisationFromBusinessSolutionsAndContractCosts
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Profit (Loss) Before Amounts Recognised Separately In Business Combination, Finance Costs And Tax Expense (Income) + References No definition available. + Details
Name: | gib_ProfitLossBeforeAmountsRecognisedSeparatelyInBusinessCombinationFinanceCostsAndTaxExpenseIncome
Namespace Prefix: | gib_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amounts recognised for transaction recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph l -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_l_iii&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
Name: | ifrs-full_AmountsRecognisedForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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_DisclosureOfOperatingSegmentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of income or cost associated with interest and other financing activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_FinanceIncomeCost
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The profit (loss) before tax expense or income. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ProfitLossBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_a&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 32 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_32&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_a&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 82 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_a&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard -URIDate 2021-03-24 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard -URIDate 2021-03-24 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_i&doctype=Standard -URIDate 2021-03-24 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B12 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
Name: | ifrs-full_Revenue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_WesternAndSouthernEuropeSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_USCommercialAndStateGovernmentSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_CanadaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_USFederalSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_ScandinaviaAndCentralEuropeSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_UnitedKingdomAndAustraliaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_FinlandPolandAndBalticsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_NorthwestAndCentralEastEuropeSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=gib_AsiaPacificSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=srt_GeographyEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |