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Accounts Receivable And Contract Assets - Summary of Movement in Allowance For Doubtful Accounts (Detail) - Trade receivables [member] - CAD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of financial assets [line items]      
Beginning balance $ 10,334 $ 11,439 $ 2,144
Impairment provision additions on receivables 26 275 21,072
Amounts settled and derecognized during the year (112) (1,317) (11,071)
Currency translation effects (145) (63) (706)
Ending balance $ 10,103 $ 10,334 $ 11,439