XML 146 R129.htm IDEA: XBRL DOCUMENT v3.19.2

SHARE-BASED PAYMENTS - DSU Activity (Details) - Deferred Share Unit (DSU)	12 Months Ended
	Mar. 31, 2019 shares	Mar. 31, 2018 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Units outstanding, beginning of year (in shares)	675,097	691,698
Units granted (in shares)	92,210.6334748337	99,631.5548177762
Units redeemed (in shares)	(253,176)	(143,560)
Dividends paid in units (in shares)	9,338.33546070781	27,326.7169901265
Units outstanding, end of year (in shares)	523,470	675,097
Units vested, end of year (in shares)	523,470	675,097

X

- Definition

Number Of Other Equity Instruments Dividends Paid In Share-based Payment Arrangement

+ References

No definition available.

+ Details

Name:	cae_NumberOfOtherEquityInstrumentsDividendsPaidInSharebasedPaymentArrangement
Namespace Prefix:	cae_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of other equity instruments redeemed in share-based payment arrangement

+ References

No definition available.

+ Details

Name:	cae_NumberOfOtherEquityInstrumentsRedeemedInSharebasedPaymentArrangement
Namespace Prefix:	cae_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Other Equity Instruments Vested In Share-based Payment Arrangement

+ References

No definition available.

+ Details

Name:	cae_NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement
Namespace Prefix:	cae_
Data Type:	xbrli:decimalItemType
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_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_b&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=cae_DeferredShareUnitDSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: