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Accounts Receivable And Contract Assets - Summary of Movement in Contract Assets (Detail) - CAD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Text Block [Abstract]
Beginning balance	$ 82,760	$ 66,722	$ 130,392
Unbilled revenue recognized	89,868	244,372	238,300
Amounts billed	(57,401)	(228,327)	(281,145)
Amounts transferred to other assets			(26,625)
Currency translation effects	(1,049)	(7)	5,800
Ending balance	$ 114,178	$ 82,760	$ 66,722

X

- Definition

Current contract assets amount billed.

+ References

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- Definition

Increase decrease in contract assets due to currency translation effects.

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Text Block.

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- Definition

Unbilled revenue recognized.

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X

- Definition

The amount of current contract assets. [Refer: Contract assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 105
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- Definition

The decrease in contract assets resulting from the right to consideration becoming unconditional. [Refer: Contract assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 118
-Subparagraph d
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