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Revenues - Disaggregation of Revenues by Source (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Disaggregation Of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 1,435.0 $ 1,362.7
Software-enabled Services [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,187.7 1,114.2
Maintenance and Term Licenses [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 218.8 213.3
Professional Services [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 23.8 27.7
Perpetual Licenses [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 4.7 $ 7.5