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Guarantees, Commitments,And Contingencies - Additional Information (Detail) - CAD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of Companys purchase obligations of future period [Abstract]
Letters of credit, outstanding	$ 40.1	$ 42.1	$ 47.5
Legal provisions		$ 0.0

X

- Definition

Disclosure of Company's purchase obligations of future period.

+ References

No definition available.

+ Details

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Namespace Prefix:	enrff_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Letters of credit, outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	enrff_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of provision for legal proceedings. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2021-01-01
-Section Example 10 A court case
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex10__IAS37_IE_C_ex10_TI
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2021-01-01
-Paragraph 87
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_87&doctype=Standard
-URIDate 2021-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant