XML 144 R127.htm IDEA: XBRL DOCUMENT v3.19.2

SHARE-BASED PAYMENTS - ESOP Summarized (Details) - Employee Stock Option Plan	12 Months Ended
	Mar. 31, 2019 CAD ($) shares	Mar. 31, 2018 CAD ($) shares	Mar. 31, 2017 CAD ($) shares
Disclosure of range of exercise prices of outstanding share options [line items]
Number of share options outstanding | shares	6,504,125	6,155,525	5,541,625
Weighted average remaining contractual life	4 years 8 months 5 days
Weighted average exercise price	$ 20.41	$ 17.31	$ 14.51
Exercisable (in shares) | shares	2,082,325	1,744,125
Exercisable	$ 16.36	$ 14.12
$9.69 to $11.02
Disclosure of range of exercise prices of outstanding share options [line items]
Number of share options outstanding | shares	179,725
Weighted average remaining contractual life	11 months 1 day
Weighted average exercise price	$ 10.76
Exercisable (in shares) | shares	179,725
Exercisable	$ 10.76
$14.61 to $16.15
Disclosure of range of exercise prices of outstanding share options [line items]
Number of share options outstanding | shares	2,755,125
Weighted average remaining contractual life	3 years 7 months 17 days
Weighted average exercise price	$ 15.65
Exercisable (in shares) | shares	1,496,500
Exercisable	$ 15.47
$20.86 to $27.15
Disclosure of range of exercise prices of outstanding share options [line items]
Number of share options outstanding | shares	3,569,275
Weighted average remaining contractual life	5 years 8 months 5 days
Weighted average exercise price	$ 24.56
Exercisable (in shares) | shares	406,100
Exercisable	$ 22.14
Bottom of range | $9.69 to $11.02
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	9.60
Bottom of range | $14.61 to $16.15
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	12.65
Bottom of range | $20.86 to $27.15
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	20.86
Top of range | $9.69 to $11.02
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	11.02
Top of range | $14.61 to $16.15
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	14.66
Top of range | $20.86 to $27.15
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price	$ 22.26

X

- Definition

Weighted Average Remaining Contractual Life Of Outstanding Share Options, Period

+ References

No definition available.

+ Details

Name:	cae_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsPeriod
Namespace Prefix:	cae_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options outstanding 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 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_i&doctype=Standard
-URIDate 2018-03-16

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vi&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

The number of share options exercisable 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 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vii&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vii&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_i&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vi&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cae_ExercisePriceRangeOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cae_ExercisePriceRangeTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=cae_ExercisePriceRangeThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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: