v3.26.1
Share capital (Schedule of detailed information about shares activity) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of classes of share capital [line items]    
Balance, beginning of year $ 2,647.4 $ 2,206.8
Equity issuance, net of issuance costs 4.2 386.2
Flow through shares, net of share issuance costs and implied premium 13.7 8.6
Tax adjustments in respect of prior years 4.4  
Balance, end of year $ 3,231.0 $ 2,647.4
Share capital [Member]    
Disclosure of classes of share capital [line items]    
Balance, beginning of year (shares) 394,932,374 350,728,536
Balance, beginning of year $ 2,641.3 $ 2,240.2
Equity issuance, net of issuance costs (shares) 465,394 42,366,000
Equity issuance, net of issuance costs $ 4.2 $ 386.2
Flow through shares, net of share issuance costs and implied premium (shares) 887,000 968,900
Flow through shares, net of share issuance costs and implied premium $ 13.7 $ 8.6
Exercise of options (shares) 478,755 482,029
Exercise of options $ 4.1 $ 3.6
Exercise of warrants (shares) 70,708 386,909
Exercise of warrants $ 0.5 $ 2.7
Tax adjustments in respect of prior years $ 4.4  
Balance, end of year (shares) 396,834,231 394,932,374
Balance, end of year $ 2,668.2 $ 2,641.3