Leases - Schedule of Components of Lease Cost for Operating Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating leases:
Lease cost	$ 57.8	$ 55.5
Variable lease cost	4.7	4.3
Short-term lease cost	0.1	0.9
Operating lease cost	62.6	60.7
Sublease income	(1.4)	(1.5)
Total lease cost net	$ 61.2	$ 59.2