XML 137 R120.htm IDEA: XBRL DOCUMENT
v3.19.2

IMPAIRMENT OF NONFINANCIAL ASSETS - Narrative (Details) | 12 Months Ended
--- | ---
Mar. 31, 2019
Disclosure of reconciliation of changes in goodwill [line items] |
Growth rate used to extrapolate cash flow projections, period | 5 years
Bottom of range |
Disclosure of reconciliation of changes in goodwill [line items] |
Discount rate applied to cash flow projections | 6.50%
Top of range |
Disclosure of reconciliation of changes in goodwill [line items] |
Discount rate applied to cash flow projections | 9.00%
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%
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%

X
- Definition Growth Rate Used To Extrapolate Cash Flow Projections, Period + References No definition available. + Details
Name: | cae_GrowthRateUsedToExtrapolateCashFlowProjectionsPeriod
Namespace Prefix: | cae_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The discount rate applied to cash flow projections 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 2018-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_d_v&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_e_v&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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 2018-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_d_iv&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_e_iv&doctype=Standard -URIDate 2018-03-16 + 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
- 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: |