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Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets |  |
Accrued liabilities and reserves | $ 54.8 | $ 58.8
Pension and other post-retirement compensation and benefits | 17.5 | 20.1
Employee compensation and benefits | 27.4 | 28.6
Research and development costs | 36.6 | 28.4
Tax loss and credit carryforwards | 691.4 | 769.4
Interest limitations | 214.0 | 168.4
Total deferred tax assets | 1,041.7 | 1,073.7
Valuation allowance | 739.7 | 816.6
Deferred tax assets, net of valuation allowance | 302.0 | 257.1
Deferred tax liabilities |  |
Property, plant and equipment | 17.1 | 17.9
Goodwill and other intangibles | 177.9 | 149.7
Other liabilities | 21.8 | 16.3
Total deferred tax liabilities | 216.8 | 183.9
Net deferred tax assets | $ 85.2 | $ 73.2

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