Leases - Schedule of Components of Lease Cost for Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating leases:
Lease cost	$ 14.5	$ 13.0	$ 40.8	$ 39.6
Variable lease cost	1.0	1.1	3.2	3.1
Short-term lease cost	0.4	0.3	0.9	0.9
Operating lease cost	15.9	14.4	44.9	43.6
Sublease income	(0.4)	(0.6)	(1.2)	(1.3)
Total lease cost net	$ 15.5	$ 13.8	$ 43.7	$ 42.3