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Restructuring and Related Activities (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
ft²
Dec. 31, 2021
USD ($)
Restructuring Cost and Reserve [Line Items]        
Severance and termination costs $ 0.0 $ 0.4 $ (0.1)  
Lease Restructuring Cost (5.7) (1.2) 85.4  
Other Restructuring Costs 0.7 0.9 17.1  
Restructuring Charges (5.0) 0.1 $ 102.4  
Area of Real Estate Property | ft²     500,000  
Non-cash Items [Member]        
Restructuring Cost and Reserve [Line Items]        
Severance and termination costs 0.0 0.0 $ 0.0  
Cash Payments [Member]        
Restructuring Cost and Reserve [Line Items]        
Severance and termination costs 0.2 2.1 7.0  
Employee Severance [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring Reserve 0.4 0.6 2.3 $ 9.4
Lease impairment costs [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring Reserve $ 0.0 $ 0.0 $ 0.0