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Goodwill - Schedule of Goodwill (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Roll Forward]        
Goodwill beginning balance   $ 844.2 $ 645.0  
Goodwill acquired   16.0 215.8  
Foreign currency translation and other   14.9 (16.6)  
Goodwill impairment   (401.0) 0.0 $ 0.0
Goodwill ending balance $ 474.1 474.1 844.2 645.0
Disposal group goodwill     2.1  
Scapa        
Goodwill [Roll Forward]        
Goodwill acquired     214.4  
Goodwill     1.4  
ATM        
Goodwill [Roll Forward]        
Goodwill beginning balance   842.6 643.4  
Goodwill acquired   16.0 215.8  
Foreign currency translation and other   14.9 (16.6)  
Goodwill impairment (401.0) (401.0) 0.0  
Goodwill ending balance 472.5 472.5 842.6 643.4
Goodwill   (26.0)    
FBS        
Goodwill [Roll Forward]        
Goodwill beginning balance   1.6 1.6  
Goodwill acquired   0.0 0.0  
Foreign currency translation and other   0.0 0.0  
Goodwill impairment   0.0    
Goodwill ending balance $ 1.6 $ 1.6 $ 1.6 $ 1.6