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Goodwill - Schedule of Changes in the Carrying Amount of Goodwill by Reporting Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Goodwill [Roll Forward]        
Goodwill, beginning of period     $ 844.2  
Goodwill acquired during the period     16.0  
Goodwill impairment $ (401.0) $ 0.0 (401.0) $ 0.0
Foreign currency translation     8.8  
Goodwill ending balance 468.0   468.0  
ATM        
Goodwill [Roll Forward]        
Goodwill, beginning of period     842.6  
Goodwill acquired during the period     16.0  
Goodwill impairment     (401.0)  
Foreign currency translation     8.8  
Goodwill ending balance 466.4   466.4  
FBS        
Goodwill [Roll Forward]        
Goodwill, beginning of period     1.6  
Goodwill acquired during the period     0.0  
Goodwill impairment     0.0  
Foreign currency translation     0.0  
Goodwill ending balance $ 1.6   $ 1.6