Warranty Provision - Schedule of Warranty Provisions (Detail) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Short Term Warranty Provision [line items]
Beginning balance	$ 10,549	$ 15,563
Additions during the year	849	8,203
Amounts settled and released in the year	(4,681)	(13,232)
Currency translation effects	(81)	15
Ending balance	$ 6,636	$ 10,549

The amount of current provision for warranties. [Refer: Warranty provision]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2021-01-01
-Section Example 1 Warranties
-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_ex1__IAS37_IE_C_ex1_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

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