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Balance Sheet Classification of Provisions and Other (Detail) - CAD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of other provisions [abstract]      
Current $ 2,205 $ 745  
Long-term 6,513 7,563  
Other provisions $ 8,718 $ 8,308 $ 11,866