v3.22.4
Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property and equipment $ 802.7 $ 806.3
Less: accumulated depreciation and amortization (577.1) (586.3)
Property and equipment, net 225.6 220.0
Computer equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 486.1 488.5
Estimated useful life 3 years  
Software    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 87.6 77.6
Software | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 3 years  
Software | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 5 years  
Land    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 5.9 5.9
Buildings, including improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 126.3 125.4
Buildings, including improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 5 years  
Buildings, including improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 40 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 78.8 87.0
Other    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 18.0 $ 21.9
Other | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 1 year  
Other | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 20 years