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Goodwill and Impairment Review of Goodwill - Summary of Detailed Information About Goodwill (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of reconciliation of changes in goodwill [abstract]    
Balance, January 1 $ 566,270 $ 576,028
Acquisition (Note 7) 139,425  
Impairment (48,000) 0
Currency translation effects 21,682 (9,758)
Closing balance $ 679,377 $ 566,270