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Leases (Tables)
 12 Months Ended
Dec. 31, 2022
Leases [Abstract]  
Schedule of Operating Lease Expense and Supplemental Cash Flow Related to Operating Leases
Operating lease expense under ASC 842 for leased facilities is presented below:
December 31,
20222021
Operating lease expense$7.0 $4.2 
Short term lease expense0.2 0.6 
Variable lease cost0.2 0.5 
$7.4 $5.3 
Supplemental cash flow information related to operating leases is as follows ($ in millions):
December 31,
20222021
Operating cash outflow from operating leases$6.5 $4.1 
ROU assets obtained in exchange for lease liabilities for operating leases$11.0 $19.5 
Schedule of Weighted-Average Remaining Lease Term and Discount Rate, Lessee
Weighted-average remaining lease term and discount rate are as follows:
December 31,
20222021
Weighted-average remaining lease term (in years)4.74.1
Weighted-average discount rate4.62 %4.62 %
Schedule of Operating Lease Maturity
Maturities of operating lease liabilities as of December 31, 2022 is as follows ($ in millions):
2023$8.8 
202410.1 
20259.0 
20264.6 
20272.6 
Thereafter6.1 
Total$41.2