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Leases (Tables)
 12 Months Ended
Dec. 31, 2022
Leases [Abstract]  
Summarized Information about Operating Leases
The following table summarizes information about the Company’s operating leases for the years ended December 31 (in millions):
20222021
Operating lease cost$10.0 $11.2 
Variable lease cost0.1 0.1 
Sublease income(0.5)$(0.5)
Total operating lease expense$9.6 $10.8 
Cash paid for amounts included in the measurement of lease liabilities:
    Operating cash flows from operating leases$6.4 $11.1 
ROU asset obtained in exchange for new operating lease liabilities
2.2 3.0 
Maturities of Operating Lease Liabilities
Maturities of operating lease liabilities were as follows (in millions):
Operating Leases
Year Ending December 31,
2023$9.2 
20248.4 
20258.1 
20268.1 
20277.7 
Thereafter48.8 
Total lease payments90.3 
   Less imputed interest(14.5)
Total$75.8