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Leases (Tables)
 6 Months Ended
Jun. 30, 2024
Leases [Abstract]  
Schedule of Components of Lease Expense
The components of lease expense were as follows: 
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Operating lease cost:
Amortization of right-of-use assets$0.9 $0.9 $1.8 $2.0 
Interest on lease liabilities0.2 0.2 0.4 0.4 
Total operating lease cost$1.1 $1.1 $2.2 $2.4 
Schedule of Leases Supplemental Balance Sheets
Supplemental balance sheet information related to lessee activities is as follows:
LeasesClassificationJune 30, 2024December 31, 2023
Operating lease right-of-use assetsOther assets$13.7 $16.2 
Operating lease liabilities, current portionOther current liabilities$3.1 $3.5 
Operating lease liabilitiesOther liabilities11.5 13.8 
Total operating lease liabilities$14.6 $17.3 
Operating leases:
Weighted average remaining lease term (years)6.16.2
Weighted average discount rate5.3 %5.3 %