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Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   $ 3,452.3
Accumulated goodwill impairment losses   (200.6)
Goodwill [Roll Forward]    
Goodwill, beginning balance $ 3,251.7  
Foreign currency translation 112.3  
Measurement period adjustments 4.6  
Goodwill, ending balance 3,368.6  
HST    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   2,276.5
Accumulated goodwill impairment losses   (149.8)
Goodwill [Roll Forward]    
Goodwill, beginning balance 2,126.7  
Foreign currency translation 80.6  
Measurement period adjustments 4.6  
Goodwill, ending balance 2,211.9  
FMT    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   785.2
Accumulated goodwill impairment losses   (20.7)
Goodwill [Roll Forward]    
Goodwill, beginning balance 764.5  
Foreign currency translation 15.8  
Measurement period adjustments 0.0  
Goodwill, ending balance 780.3  
FSDP    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   390.6
Accumulated goodwill impairment losses   $ (30.1)
Goodwill [Roll Forward]    
Goodwill, beginning balance 360.5  
Foreign currency translation 15.9  
Measurement period adjustments 0.0  
Goodwill, ending balance $ 376.4