v3.26.3
Goodwill and Intangible Assets - Changes in Goodwill (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Dec. 31, 2020
Goodwill [Roll Forward]      
Balance, beginning of the year $ 1,944.7    
Acquisition 203.6    
Foreign currency translation, net (2.9)    
Balance, ending of the year 2,145.4    
Americas      
Goodwill [Roll Forward]      
Balance, beginning of the year 1,944.7    
Acquisition 203.6    
Foreign currency translation, net (2.9)    
Balance, ending of the year 2,145.4    
Accumulated impairment losses 5,159.0 $ 5,159.0  
EMEA&APAC      
Goodwill [Roll Forward]      
Balance, beginning of the year 0.0    
Acquisition 0.0    
Foreign currency translation, net 0.0    
Balance, ending of the year $ 0.0    
Accumulated impairment losses     $ 1,484.3