XML 136 R93.htm IDEA: XBRL DOCUMENT
v3.8.0.1

GOVERNMENT PARTICIPATION - Narrative (Details) - CAD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2018
Disclosure of Government Grants [Line Items] |  |  |  |
Borrowings |  | $ 1,255,400,000 |  | $ 1,260,900,000
Project Innovate |  |  |  |
Disclosure of Government Grants [Line Items] |  |  |  |
Borrowings | $ 250,000,000 |  |  |
Term of program | 5 years 6 months |  |  |
Project New Core Markets |  |  |  |
Disclosure of Government Grants [Line Items] |  |  |  |
Term of program |  |  | 4 years |
Government participation |  |  | $ 70,000,000 |
Project SimÉco 4.0 |  |  |  |
Disclosure of Government Grants [Line Items] |  |  |  |
Government participation, percent of eligible costs, committed contributions |  | 50.00% |  |

X
- Definition [Line Items] for Disclosure of Government Grants [Table] + References No definition available. + Details
Name: | cae_DisclosureofGovernmentGrantsLineItems
Namespace Prefix: | cae_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Government Participation, Percent of Eligible Costs, Committed Contributions + References No definition available. + Details
Name: | cae_GovernmentParticipationPercentofEligibleCostsCommittedContributions
Namespace Prefix: | cae_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Government Participation, Program Term + References No definition available. + Details
Name: | cae_GovernmentParticipationProgramTerm
Namespace Prefix: | cae_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of assistance by government in the form of transfers of resources to an entity in return for past or future compliance with certain conditions relating to the operating activities of the entity, recognised as deferred income. They exclude those forms of government assistance that cannot reasonably have a value placed upon them and transactions with government that cannot be distinguished from the normal trading transactions of the entity. [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GovernmentGrants
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | cae_ProgramNameAxis=cae_ProjectInnovateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cae_ProgramNameAxis=cae_ProjectNewCoreMarketsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cae_ProgramNameAxis=cae_ProjectSimco4.0Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |