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Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   $ 3,038.9
Accumulated goodwill impairment losses   (200.6)
Goodwill [Roll Forward]    
Goodwill, beginning balance $ 2,838.3  
Foreign currency translation 6.8  
Acquisitions 480.3  
Measurement period adjustments 2.2  
Divestitures (11.6)  
Goodwill, ending balance 3,316.0  
FMT    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   805.7
Accumulated goodwill impairment losses   (20.7)
Goodwill [Roll Forward]    
Goodwill, beginning balance 785.0  
Foreign currency translation 0.3  
Acquisitions 0.0  
Measurement period adjustments 0.0  
Divestitures (11.6)  
Goodwill, ending balance 773.7  
HST    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   1,834.5
Accumulated goodwill impairment losses   (149.8)
Goodwill [Roll Forward]    
Goodwill, beginning balance 1,684.7  
Foreign currency translation 5.2  
Acquisitions 480.3  
Measurement period adjustments 2.2  
Divestitures 0.0  
Goodwill, ending balance 2,172.4  
FSDP    
Goodwill and Intangible Assets Disclosure [Line Items]    
Goodwill   398.7
Accumulated goodwill impairment losses   $ (30.1)
Goodwill [Roll Forward]    
Goodwill, beginning balance 368.6  
Foreign currency translation 1.3  
Acquisitions 0.0  
Measurement period adjustments 0.0  
Divestitures 0.0  
Goodwill, ending balance $ 369.9