v3.26.1
Supplementary cash flow information (Schedule of change in non-cash working capital) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Supplementary Cash Flow Information [Abstract]    
Trade and other receivables $ (141.3) $ (36.5)
Other financial assets/liabilities 46.3 (29.4)
Inventories (13.6) 10.0
Prepaid expenses 3.5 (11.8)
Trade and other payables 52.3 43.2
Provisions and other liabilities (4.2) (0.4)
Increase (decrease) in working capital $ (57.0) $ (24.9)