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Long-Term Debt - Long-Term Debt (Detail) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Long-term debt |  |
Total debt | $ 561.5 | $ 559.5
Less current maturities | 1.6 | 1.8
Total long-term debt | 559.9 | 557.7
VALHI, INC. | Contran Credit Facility |  |
Long-term debt |  |
Total debt | 114.2 | 121.4
Kronos Worldwide, Inc. | 3.75% Senior Secured Notes due September 15, 2025 | Kronos International, Inc |  |
Long-term debt |  |
Total debt | 433.5 | 424.1
LandWell | Unsecured Debt | Western Alliance Bank |  |
Long-term debt |  |
Total debt | 12.9 | 12.9
Other Subsidiary | Other |  |
Long-term debt |  |
Total debt | 0.9 | 1.1
Subsidiary |  |
Long-term debt |  |
Total debt | $ 447.3 | $ 438.1

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