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LEASES (Tables)
9 Months Ended
Sep. 30, 2024
Leases [Abstract]  
Schedule of Lease Assets and Liabilities, Weighted-Average Lease Term and Discount Rate
Lease right-of-use (ROU) assets and liabilities and the weighted-average lease terms and discount rates are as follows:
dollars in millionsClassification on the Balance SheetSeptember 30
2024
December 31
2023
September 30
2023
Assets
Operating lease ROU assets$651.4 $636.1 $644.8 
Accumulated amortization(143.1)(124.4)(113.4)
Operating leases, netOperating lease right-of-use assets, net508.3 511.7 531.4 
Finance lease ROU assets55.8 62.3 85.8 
Accumulated depreciation(23.2)(20.2)(22.1)
Finance leases, netProperty, plant & equipment, net32.6 42.1 63.7 
Total lease assets$540.9 $553.8 $595.1 
Liabilities
Current
OperatingOther current liabilities$48.7 $47.3 $48.2 
FinanceOther current liabilities11.4 12.5 18.4 
Noncurrent
Operating Noncurrent operating lease liabilities503.5 507.4 525.4 
FinanceOther noncurrent liabilities11.8 16.6 22.7 
Total lease liabilities$575.4 $583.8 $614.7 
Lease Term and Discount Rate
Weighted-average remaining lease term (years)
Operating leases19.119.519.4
Finance leases2.32.52.5
Weighted-average discount rate
Operating leases4.4 %4.3 %4.3 %
Finance leases3.1 %2.4 %2.0 %
Schedule of Components of Lease Expense
The components of lease expense are as follows:
Three Months Ended
September 30
Nine Months Ended
September 30
in millions2024202320242023
Finance lease cost
Depreciation of right-of-use assets$2.3 $3.3 $7.2 $10.1 
Interest on lease liabilities0.2 0.2 0.5 0.7 
Operating lease cost19.0 19.1 56.6 58.3 
Short-term lease cost 1
12.2 14.8 34.9 38.5 
Variable lease cost5.5 4.9 15.1 15.0 
Sublease income(0.7)(0.8)(2.0)(2.7)
Total lease expense$38.5 $41.5 $112.3 $119.9 
1Includes the cost of leases with an initial term of one year or less (including those with terms of one month or less).