v3.26.1
Goodwill and intangible assets - Summary of Carrying Amount of Goodwill (Detail)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
Goodwill [Line Items]  
Beginning balance $ 1,686.6
Remeasurement 0.0
Foreign currency effect (37.8)
Ending balance 1,648.8
Equipment [Member]  
Goodwill [Line Items]  
Beginning balance 618.8
Remeasurement 0.0
Foreign currency effect (13.9)
Ending balance 604.9
Service [Member]  
Goodwill [Line Items]  
Beginning balance 1,067.8
Remeasurement 0.0
Foreign currency effect (23.9)
Ending balance $ 1,043.9