Segment Information - Supplemental Geographic and Customer Solution Set Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 554.7	$ 537.3	$ 1,095.1	$ 1,073.3
Finance & Risk
Segment Reporting Information [Line Items]
Revenue	318.4	311.4	630.4	622.6
Sales & Marketing
Segment Reporting Information [Line Items]
Revenue	236.3	225.9	464.7	450.7
Operating segments | North America
Segment Reporting Information [Line Items]
Revenue	391.6	381.3	766.3	748.6
Operating segments | North America | Finance & Risk
Segment Reporting Information [Line Items]
Revenue	210.6	209.5	411.8	411.7
Operating segments | North America | Sales & Marketing
Segment Reporting Information [Line Items]
Revenue	181.0	171.8	354.5	336.9
Operating segments | International
Segment Reporting Information [Line Items]
Revenue	163.1	156.0	328.8	324.7
Operating segments | International | Finance & Risk
Segment Reporting Information [Line Items]
Revenue	107.8	101.9	218.6	210.9
Operating segments | International | Sales & Marketing
Segment Reporting Information [Line Items]
Revenue	$ 55.3	$ 54.1	$ 110.2	$ 113.8