v3.26.1
Related parties - (Schedule of information about key management personnel) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of transactions between related parties [abstract]    
Short-term employee benefits $ 11.1 $ 11.1
Post-employment benefits 1.0 0.9
Termination benefits 0.0 0.7
Long-term share-based awards 9.0 3.6
Total key management personnel compensation $ 21.1 $ 16.3