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Financial Instruments - Additional Information (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
CAD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Disclosure of detailed information about financial instruments [line items]      
Cumulative estimated gain losses on termination of forward contracts $ 100    
Gain losses on cash flow hedges net of tax 360 $ 247  
Accumulated fair value hedge adjustment on hedged item included in carrying amount liabilities $ 400 200  
Percentage change in rate of interest percentage 1.00%    
Estimated increase decrease in annual interest expense $ 4,600    
Cash and cash equivalents 253,776 172,758 $ 95,676
Other comprehensive income, net of tax, exchange differences on translation of foreign operations 72,406 (18,958)  
USD      
Disclosure of detailed information about financial instruments [line items]      
Other comprehensive income, net of tax, exchange differences on translation of foreign operations $ 615,800    
Revolving Credit Facility Term Loan And Notes [Member]      
Disclosure of detailed information about financial instruments [line items]      
Interest coverage ratio 4.4    
Net funded debt to EBITDA ratio 3.3    
Senior secured net funded debt to EBITDA ratio 1.1    
Revolving Credit Facility and Term Loan [Member]      
Disclosure of detailed information about financial instruments [line items]      
Cash and cash equivalents $ 253,800    
Loans received 662,400    
Debt instrument unused borrowing capacity $ 313,800    
USA And Canada [Member] | One Customer [Member]      
Disclosure of detailed information about financial instruments [line items]      
Percentage of accounts receivable and contract assets 10.00%    
Investment In Preferred Shares [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial assets at fair value $ 28,700 27,500  
Investment In Preferred Shares [Member] | Long Term Receivables [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial assets at amortized costs $ 28,000 $ 24,200  
Bottom of range [member]      
Disclosure of detailed information about financial instruments [line items]      
Percentage of entities revenue 10.00% 10.00%  
Percentage of accounts receivable and contract assets   10.00%  
Bottom of range [member] | Revolving Credit Facility Term Loan And Notes [Member]      
Disclosure of detailed information about financial instruments [line items]      
Interest coverage ratio 2.5    
Top of range [member] | Revolving Credit Facility Term Loan And Notes [Member]      
Disclosure of detailed information about financial instruments [line items]      
Net funded debt to EBITDA ratio 4.5    
Senior secured net funded debt to EBITDA ratio 2.5    
Senior Unsecured Notes [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial liabilities at amortized costs $ 869,300    
Senior Unsecured Notes [Member] | Discount rate, measurement input [member] | Weighted average [member]      
Disclosure of detailed information about financial instruments [line items]      
Weighted average discount rate 9