Leases - Operating Lease Cost and Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease costs	$ 21.4	$ 28.1	$ 26.9
Variable lease costs	5.8	5.1	3.1
Short-term lease costs	1.3	1.6	0.4
Sublease income	(3.4)	(2.4)	(0.8)
Total lease costs	$ 25.1	$ 32.4	$ 29.6