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LEASES (Tables) | 9 Months Ended
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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 millions | Classification on the Balance Sheet | September 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, net | Operating lease right-of-use assets, net | 508.3 |  | 511.7 |  | 531.4 |
Finance lease ROU assets |  | 55.8 |  | 62.3 |  | 85.8 |
Accumulated depreciation |  | (23.2) |  | (20.2) |  | (22.1) |
Finance leases, net | Property, plant & equipment, net | 32.6 |  | 42.1 |  | 63.7 |
Total lease assets |  | $ | 540.9 |  | $ | 553.8 |  | $ | 595.1 |
Liabilities |  |  |
Current |  |  |
Operating | Other current liabilities | $ | 48.7 |  | $ | 47.3 |  | $ | 48.2 |
Finance | Other current liabilities | 11.4 |  | 12.5 |  | 18.4 |
Noncurrent |  |  |
Operating | Noncurrent operating lease liabilities | 503.5 |  | 507.4 |  | 525.4 |
Finance | Other noncurrent liabilities | 11.8 |  | 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 leases | 19.1 | 19.5 | 19.4
Finance leases | 2.3 | 2.5 | 2.5
Weighted-average discount rate |  |  |
Operating leases | 4.4 | % | 4.3 | % | 4.3 | %
Finance leases | 3.1 | % | 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 millions | 2024 | 2023 | 2024 | 2023
Finance lease cost |  |  |  |
Depreciation of right-of-use assets | $ | 2.3 |  | $ | 3.3 |  | $ | 7.2 |  | $ | 10.1 |
Interest on lease liabilities | 0.2 |  | 0.2 |  | 0.5 |  | 0.7 |
Operating lease cost | 19.0 |  | 19.1 |  | 56.6 |  | 58.3 |
Short-term lease cost 1 | 12.2 |  | 14.8 |  | 34.9 |  | 38.5 |
Variable lease cost | 5.5 |  | 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).

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Schedule of Lease Assets and Liabilities, Weighted-Average Lease Term and Discount Rate [Table Text Block] + References No definition available. + Details
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