Leases - Components of Lease Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Leases [Abstract]
Operating lease costs	$ 7.5	$ 9.8
Variable lease costs	3.7	3.8
Sublease income	(2.9)	(2.3)
Total net lease cost	$ 8.3	$ 11.3