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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
NOL and credit carryforwards | $ 84.6 | $ 88.9
Pension, other postretirement and postemployment benefits | 25.9 | 26.8
Payroll and compensation | 18.0 | 18.6
Legal, environmental and self-insurance accruals | 11.8 | 23.4
Working capital accruals | 27.0 | 20.0
Research and experimental expenditures | 35.9 | 25.6
Other | 5.6 | 4.3
Total deferred tax assets | 208.8 | 207.6
Valuation allowance | (77.0) | (75.2)
Net deferred tax assets | 131.8 | 132.4
Deferred tax liabilities: |  |
Intangible assets recorded in acquisitions | 171.8 | 159.4
Basis difference in affiliates | 15.9 | 17.4
Accelerated depreciation | 30.0 | 16.1
Other | 4.4 | 9.0
Total deferred tax liabilities | 222.1 | 201.9
Total deferred tax liabilities | $ (90.3) | $ (69.5)

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- Definition The tax effects as of the balance sheet date of the amount of excesses of tax deductions over taxable income in a year which cannot be used on the tax returns in the current year but may be carried forward to reduce taxable income or income taxes payable in a future year in certain jurisdictions and the tax effects arising from all unused tax credits available to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset. + References No definition available. + Details
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- Definition The tax effect as of the balance sheet date of the amount of estimated future tax effects arising from pension, other postretirement benefits and postemployment benefits, 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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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax effects arising from estimates of losses under legal, environmental and self-insurance, which can only be deducted for tax purposes when actual losses 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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