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Leases - Supplemental Balance Sheet Information (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
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 $ 16.2 $ 19.4
Operating lease liabilities, current portion 3.5 5.8
Operating lease liabilities 13.8 14.8
Total operating lease liabilities $ 17.3 $ 20.6
Operating leases:    
Weighted average remaining lease term (years) 6 years 2 months 12 days 5 years 10 months 24 days
Weighted average discount rate 5.30% 4.10%