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Investment in TiO2 Manufacturing Joint Venture and Other Assets - Schedule of Maturities of Operating Lease Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Gross amounts due each year: |  |
2023 | $ 4.5 |
2024 | 3.3 |
2025 | 2.7 |
2026 | 2.4 |
2027 | 1.5 |
2028 and thereafter | 17.0 |
Total remaining lease payments | 31.4 |
Less imputed interest | 10.2 |
Total lease obligations | 21.2 |
Less current obligations | $ 3.8 | $ 3.7
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued liabilities | Accrued liabilities
Operating lease liabilities | $ 17.4 | $ 15.8
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other liabilities | Other liabilities

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