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GOVERNMENT PARTICIPATION (Details) - CAD ($) $ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Government Grants [Abstract]
Credited to non-financial assets	$ 19.6	$ 15.9
Credited to income	26.1	33.1
Contributions	$ 45.7	$ 49.0

X

- Definition

Contributions Credited To Non-Financial Assets

+ References

No definition available.

+ Details

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Namespace Prefix:	cae_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Government Grants [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	cae_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Government Participation, Contributions

+ References

No definition available.

+ Details

Name:	cae_GovernmentParticipationContributions
Namespace Prefix:	cae_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of income recognised in relation to government grants. [Refer: Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 20
-IssueDate 2022-03-24
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2022-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2022-03-24

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