XML 192 R119.htm IDEA: XBRL DOCUMENT v3.25.1
Financial instruments and related risk management (Related risk management) (Details) - CAD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about financial instruments [line items]      
Financial assets $ 947,365,000 $ 1,017,609,000  
Financial liabilities (2,053,773,000) (2,394,884,000)  
Gain (loss) on derivatives (183,103,000) 37,791,000  
Finance income 21,228,000 111,670,000  
Disclosure of credit risk exposure [abstract]      
Cash and cash equivalents 600,462,000 566,809,000 $ 1,143,674,000
Derivative assets $ 103,000 28,467,000  
Currency risk [Member]      
Disclosure of detailed information about financial instruments [line items]      
Percentage increase or decrease in CAD$ 5.00%    
Currency risk [Member] | Cash And Cash Equivalents [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial assets $ 418,968,000    
Gain (loss), foreign exchange 20,948,000    
Currency risk [Member] | Accounts receivable [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial assets 275,123,000    
Gain (loss), foreign exchange 13,756,000    
Currency risk [Member] | Accounts Payable And Accrued Liabilities [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial liabilities (325,504,000)    
Gain (loss), foreign exchange (16,275,000)    
Currency risk [Member] | Net Foreign Currency Derivatives [Member]      
Disclosure of detailed information about financial instruments [line items]      
Financial assets (140,334,000)    
Gain (loss), foreign exchange (163,978,000)    
Interest rate risk [Member] | Interest rate swap contracts [Member]      
Disclosure of detailed information about financial instruments [line items]      
Gain (loss) on derivatives (759,000)    
Interest rate risk [Member] | Floating interest rate [Member]      
Disclosure of detailed information about financial instruments [line items]      
Gain (loss) on derivatives (2,629,000)    
Credit risk [Member]      
Disclosure of credit risk exposure [abstract]      
Cash and cash equivalents 600,462,000 566,809,000  
Accounts receivable 318,126,000 415,561,000  
Derivative assets $ 103,000 $ 28,467,000