Revenue - Disaggregated Revenues and Cost to Obtain a Contract (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of revenues
Total revenues, gross	$ 662.0	$ 431.4
Deferred revenues adjustment	354.0	231.3
Total revenues, net	662.2	428.4
Contract with Customer, Liability, Adjustments	0.2	(3.0)
Subscription revenues
Disaggregation of revenues
Total revenues, gross	403.8	239.0
Transaction revenues
Disaggregation of revenues
Total revenues, gross	143.7	82.9
Re-occurring Revenues
Disaggregation of revenues
Total revenues, gross	$ 114.5	$ 109.5