Leases - Summary of Components of Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease expense	$ 17.8	$ 19.2	$ 26.6
Sublease income	(4.4)	(4.3)	(4.5)
Net operating lease expense	13.4	14.9	22.1
Amortization of ROU assets	1.8	0.8	0.0
Interest on lease liabilities	0.2	0.1	0.0
Total finance lease expense	$ 2.0	$ 0.9	$ 0.0