Revenue - Disaggregated Revenues and Cost to Obtain a Contract (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of revenues
Total revenues, gross	$ 687.4	$ 447.1	$ 1,349.4	$ 878.5
Deferred revenues adjustment			628.5	377.9
Total revenues, net	686.6	445.7	1,348.8	874.1
Contract with Customer, Liability, Adjustments	(0.8)		(0.6)	(4.4)
Subscription revenues
Disaggregation of revenues
Total revenues, gross	407.4	243.4	811.2	482.4
Transaction revenues
Disaggregation of revenues
Total revenues, gross	168.0	90.0	311.7	172.9
Re-occurring Revenues
Disaggregation of revenues
Total revenues, gross	$ 112.0	113.7	$ 226.5	$ 223.2
Contract with Customer, Liability, Adjustments		$ (1.4)