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Share Based Compensation Plans - Additional Information (Detail)
$ in Thousands
 12 Months Ended
Jan. 01, 2023
shares
Dec. 31, 2022
CAD ($)
shares
Dec. 31, 2021
CAD ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Option vesting period   3 years  
Option expiration term   7 years  
Net earnings (loss) | $   $ (34,293) $ (177,386)
Number of other equity instruments exercised or vested in share-based payment arrangement   189,964  
Number Of Deferred Share Units Outstanding   1,470 1,470
Restricted Share Units (RSUs) [Member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Shares granted to eligible employees vest term   3 years  
Number of other equity instruments exercised or vested in share-based payment arrangement   266,876 216,820
Performance Share Units (PSUs) [Member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Shares granted to eligible employees vest term   3 years  
Number of other equity instruments exercised or vested in share-based payment arrangement   143,659 40,515
Executive Performance Share Units [Member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Share unit vesting period   3 years  
Net earnings (loss) | $   $ 4,000 $ 18,000
Number of other equity instruments exercised or vested in share-based payment arrangement   189,964 96,355
Share based compensation number of shares vested   263,900  
Restricted Share Units and Performance Share Units [member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Share based compensation number of shares vested 230,336