Revenues - Disaggregation of Revenues by Source (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 5,882.0	$ 5,502.8	$ 5,283.0
Software-enabled Services [Member]
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,840.3	4,488.3	4,273.9
Maintenance and Term Licenses [Member]
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	892.1	873.7	874.7
Professional Services [Member]
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	97.0	110.2	110.1
Perpetual Licenses [Member]
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 52.6	$ 30.6	$ 24.3