XML 161 R140.htm IDEA: XBRL DOCUMENT
v3.21.2

IMPAIRMENT OF NON-FINANCIAL ASSETS - Narrative (Details) - CAD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2021 | Mar. 31, 2020
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Impairment loss recognised in profit or loss, intangible assets and goodwill |  | $ 51.8 | $ 40.7
Discount rate increase | 1.00% | 1.00% |
Growth rate decrease | 1.00% | 1.00% |
Bottom of range |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Growth rate used to extrapolate cash flow projections | 2.00% | 2.00% |
Discount rate used to calculate recoverable amounts | 8.00% | 8.00% |
Top of range |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Growth rate used to extrapolate cash flow projections | 3.00% | 3.00% |
Discount rate used to calculate recoverable amounts | 13.00% | 13.00% |
Civil Aviation Training Solutions, Defense and Security and Healthcare |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Growth rate used to extrapolate cash flow projections, period | 5 years |  |
Civil Aviation Training Solutions, Defense and Security and Healthcare | Bottom of range |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Growth rate used to extrapolate cash flow projections | 2.00% | 2.00% |
Civil Aviation Training Solutions, Defense and Security and Healthcare | Top of range |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Growth rate used to extrapolate cash flow projections | 3.00% | 3.00% |
Healthcare |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Impairment loss recognised in profit or loss, intangible assets and goodwill |  |  | 37.5
Goodwill |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Impairment loss recognised in profit or loss, intangible assets and goodwill |  | $ 0.0 | 37.5
Goodwill | Healthcare |  |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |  |
Impairment loss recognised in profit or loss, intangible assets and goodwill |  |  | $ 37.5

X
- Definition Discount rate increase + References No definition available. + Details
Name: | cae_DiscountRateIncrease
Namespace Prefix: | cae_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Discount rate used to calculate recoverable amounts + References No definition available. + Details
Name: | cae_DiscountRateUsedToCalculateRecoverableAmounts
Namespace Prefix: | cae_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Growth rate decrease + References No definition available. + Details
Name: | cae_GrowthRateDecrease
Namespace Prefix: | cae_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term Of Strategic Plan Used In Estimated Cash Flows + References No definition available. + Details
Name: | cae_TermOfStrategicPlanUsedInEstimatedCashFlows
Namespace Prefix: | cae_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_d_iv&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for intangible assets and goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118_e_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_GoodwillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |