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Restructuring and Impairment Expenses - Schedule of Analysis of Company's Restructuring Reserve (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Restructuring Reserve [Roll Forward]    
Beginning balance $ 3.2 $ 0.0
Charges 17.6 18.8
Cash payments (5.7)  
Non-cash and other adjustments (4.7) (15.6)
Ending balance $ 10.4 $ 3.2
Restructuring Incurred Cost, Statement of Income or Comprehensive Income, Extensible Enumeration, Not Disclosed Flag false false
Severance Costs    
Restructuring Reserve [Roll Forward]    
Beginning balance $ 0.3 $ 0.0
Charges 12.1 0.3
Cash payments (3.5)  
Non-cash and other adjustments 0.0 0.0
Ending balance 8.9 0.3
Other Restructuring Expenses    
Restructuring Reserve [Roll Forward]    
Beginning balance 2.9 0.0
Charges 0.8 2.9
Cash payments (2.2)  
Non-cash and other adjustments 0.0 0.0
Ending balance 1.5 2.9
Non-cash Impairments    
Restructuring Reserve [Roll Forward]    
Beginning balance 0.0 0.0
Charges 4.7 15.6
Cash payments 0.0  
Non-cash and other adjustments (4.7) (15.6)
Ending balance $ 0.0 $ 0.0