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Leases
 12 Months Ended
Dec. 31, 2022
Leases [Abstract]  
Leases Leases
Components of operating lease costs are as follows:
(in millions)
Year Ended December 31,202220212020
Operating lease cost$3.4 $8.6 $7.5 
Sublease income— (1.5)(1.8)
Net lease cost$3.4 $7.1 $5.7 
Lease term and discount rate are as follows:
As of December 31,20222021
Weighted-average remaining lease term (years)4.65.5
Weighted-average discount rate5.3 %5.5 %
Right-of-use assets were $11.3 million and $13.9 million as of December 31, 2022 and 2021, respectively.
The maturities of lease liabilities as of December 31, 2022 are as follows:
(in millions)
Years Ending December 31,Amount
2023$3.7 
20243.8 
20252.5 
20261.2 
20271.3 
Thereafter1.8 
Total undiscounted cash flows$14.3 
Less: imputed interest(1.6)
Present value of lease liabilities$12.7 
Less: lease liabilities, current(3.1)
Total lease liabilities, noncurrent$9.6