v3.26.3
Warranty provisions - Schedule of warranty provisions (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance as of January 1, $ 60.8 $ 55.1
Current year provisions 20.7 20.1
Expenditure (14.2) (13.6)
Other changes (7.4) 2.3
Balance as of September 30, 59.9 63.9
current 24.1 21.4
non-current $ 35.8 $ 42.5