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INVESTMENT IN EQUITY ACCOUNTED INVESTEES - Narrative (Details) - CAD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest in Other Entities [Abstract]
Unrecognised share of profit of joint ventures	$ 1.8	$ 2.0
Cumulative unrecognised share of losses of joint ventures	8.5	10.3
Cumulative unrecognised share of comprehensive losses of joint ventures	$ 7.6	$ 9.3

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- Definition

Cumulative Unrecognised Share Of Comprehensive Losses of Joint Ventures

+ References

No definition available.

+ Details

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- Definition

Interest in other entities [Abstract]

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No definition available.

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- Definition

Unrecognised Share Of Profit Of Joint Ventures

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No definition available.

+ Details

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

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- Definition

The cumulative amount of the unrecognised share of losses of joint ventures if the entity has stopped recognising its share of losses when applying the equity method. [Refer: Total for all joint ventures [member]; Unrecognised share of losses of joint ventures]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 22
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_22_c&doctype=Standard
-URIDate 2024-03-27

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