Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Operating lease right-of-use assets	$ 19.4	$ 28.3
Operating lease liabilities, current portion	5.8	5.8
Operating lease liabilities	14.8	24.2
Total operating lease liabilities	$ 20.6	$ 30.0
Operating leases:
Weighted average remaining lease term (years)	5 years 10 months 24 days	7 years
Weighted average discount rate	4.10%	4.10%