Revenue Recognition - Change in Contract Liabilities (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Revenue from Contract with Customer [Abstract]
Balance as of January 1	$ 283.9	$ 268.3
Revenue recognized	(38.1)	(32.0)
Revenue deferred	47.9	38.7
Balance as of June 30	$ 293.7	$ 275.0