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v3.24.0.1

Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Deferred income tax assets: |  |
Net operating losses and tax credits | $ 4.5 | $ 18.5
Environmental reserves | 9.5 | 10.2
Accruals and reserves | 2.8 | 2.4
Operating leases | 11.7 | 10.8
Interest | 4.5 | 7.1
Compensation and benefits | 9.3 | 8.6
Inventories | 5.1 | 2.9
Capitalization of research and development expense | 9.9 | 2.4
Retained liabilities of previously owned businesses | 0.6 | 0.5
Postretirement benefits other than pensions | 0.4 | 0.3
Other | 0.0 | 0.1
Gross deferred income tax assets | 58.3 | 63.8
Valuation allowance | (2.7) | (10.7)
Total deferred income tax assets | 55.6 | 53.1
Deferred income tax liabilities: |  |
Depreciation and amortization | (153.3) | (160.6)
Operating leases | (11.7) | (10.8)
Cross currency swap | (0.8) | (2.1)
Pension obligations | (2.4) | (1.6)
Other | (0.3) | 0.0
Total deferred income tax liabilities | (168.5) | (175.1)
Net deferred income tax liabilities | $ (112.9) | $ (122.0)

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