Leases - Schedule of Components of Lease Cost for Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating leases:
Lease cost	$ 13.1	$ 13.3
Variable lease cost	1.1	1.0
Short-term lease cost	0.3	0.2
Operating lease cost	14.5	14.5
Sublease income	(0.4)	(0.4)
Total lease cost net	$ 14.1	$ 14.1