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Leases (Tables)
 12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Lease Cost Income statement presentation for these costs (when ultimately recognized on the income statement) is also included:
Year Ended December 31, (in millions)
Income Statement Classification20232022
Finance lease cost
Amortization of right-of-use assetsDepreciation and amortization$32.0 $31.9 
Interest on lease liabilitiesInterest expense, net8.6 8.5 
Total finance lease cost40.6 40.4 
Operating lease costOperation and maintenance11.3 10.4 
Total lease cost$51.9 $50.8 
Right-of-Use Assets and Liabilities
Our right-of-use assets and liabilities are presented in the following lines on the Consolidated Balance Sheets:
At December 31, (in millions)
Balance Sheet Classification20232022
Assets
Finance leasesNet Property, Plant and Equipment$184.3 $153.4 
Operating leasesDeferred charges and other32.9 35.7
Total leased assets$217.2 189.1
Liabilities
Current
Finance leasesCurrent portion of long-term debt$23.8 30.0
Operating leasesOther accruals8.3 4.8
Noncurrent
Finance leasesLong-term debt, excluding amounts due within one year181.6 144.7
Operating leasesOther noncurrent liabilities25.8 31.9
Total lease liabilities$239.5 $211.4 
Lease Information
Other pertinent information related to leases was as follows:
Year Ended December 31, (in millions)
20232022
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows used for finance leases$9.3 $8.6 
Operating cash flows used for operating leases11.1 10.3
Financing cash flows used for finance leases33.1 30.3
Right-of-use assets obtained in exchange for lease obligations
Finance leases64.5 19.3
Operating leases$5.6 $8.8 
December 31, 2023December 31, 2022
Weighted-average remaining lease term (years)
Finance leases16.49.9
Operating leases6.77.7
Weighted-average discount rate
Finance leases5.5 %5.1 %
Operating leases4.3 %4.0 %
Lease Maturity
Maturities of our lease liabilities as of December 31, 2023 were as follows:
As of December 31, 2023, (in millions)
TotalFinance LeasesOperating Leases
2024$44.4 $34.8 $9.6 
202536.6 30.7 5.9 
202631.1 25.7 5.4 
202725.2 20.6 4.6 
202822.5 19.3 3.2 
Thereafter201.7 190.7 11.0 
Total lease payments361.5 321.8 39.7 
Less: Imputed interest(122.0)(116.4)(5.6)
Total
$239.5 $205.4 $34.1 
Reported as of December 31, 2023
Short-term lease liabilities32.1 23.8 8.3 
Long-term lease liabilities207.4 181.6 25.8 
Total lease liabilities$239.5 $205.4 $34.1