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Leases (Notes)
12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Leases
The Company has operating leases for corporate offices, branch offices, and data centers. The following table includes certain information about these leases (dollars in millions).
Year Ended December 31,
202320222021
Components of lease expense
Operating lease expense$26.1 $25.4 $26.9 
Short-term lease expense7.5 6.9 5.4 
Variable lease expense5.7 4.8 5.1 
$39.3 $37.1 $37.4 
Weighted-average remaining lease term of operating leases3.9 years3.1 years3.2 years
Weighted-average discount rate of operating leases5.03 %3.67 %3.47 %
Supplemental cash flow information
Cash paid for operating lease liabilities$26.3$28.3$29.1
Right-of-use assets obtained with lease liabilities$36.3$15.6$10.8

Future maturities of operating lease liabilities are as follows (in millions):
2024$22.8 
202519.3 
202615.1 
202710.5 
20285.8 
Thereafter2.5 
Total future minimum lease payments 76.0 
Less: imputed interest 7.4 
$68.6