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INCOME TAXES - Schedule of Components of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Deferred tax assets: |  |
Employment costs | $ 22.0 | $ 21.4
Environmental accruals | 35.5 | 38.5
Net operating loss carryforwards | 60.8 | 66.0
Operating leases | 9.5 | 7.8
Research and development | 53.0 | 45.8
Capitalized and carryforward interest | 78.5 | 48.7
Financial Derivatives | 4.5 | 48.3
Other | 32.7 | 52.2
Gross deferred tax assets | 296.5 | 328.7
Valuation allowances | (30.3) | (39.6)
Total deferred tax assets, net of valuation allowances | 266.2 | 289.1
Deferred tax liabilities: |  |
Property, plant and equipment | (100.4) | (101.3)
Goodwill and intangibles | (318.5) | (351.2)
Operating leases | (9.7) | (7.6)
Other | (16.7) | (18.3)
Total deferred tax liabilities | (445.3) | (478.4)
Net deferred tax liabilities | (179.1) | (189.3)
Consolidated Balance Sheets: |  |
Non-current deferred income tax assets | 81.3 | 92.3
Non-current deferred income tax liabilities | $ (260.4) | $ (281.6)

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from environmental costs, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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