Leases - Schedule of Components of Lease Cost for Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating leases:
Lease cost	$ 14.4	$ 13.2	$ 28.7	$ 26.3
Variable lease cost	1.1	1.1	2.2	2.2
Short-term lease cost	0.1	0.2	0.2	0.5
Operating lease cost	15.6	14.5	31.1	29.0
Sublease income	(0.4)	(0.3)	(0.7)	(0.7)
Total lease cost net	$ 15.2	$ 14.2	$ 30.4	$ 28.3