Leases - Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease cost	$ 20.3	$ 15.5	$ 12.7
Short-term lease cost	6.1	1.3	1.3
Variable lease cost	5.5	6.8	4.8
Total lease cost	$ 31.9	$ 23.6	$ 18.8