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Accounts and other receivables, net - Components of Accounts and Other Receivables (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Trade accounts receivable: |  |
VAT and other receivables | $ 45.9 | $ 33.4
Allowance for doubtful accounts | (3.9) | (4.2)
Total | 325.7 | 321.1
Trade Accounts Receivable | Kronos |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 269.2 | 273.6
Trade Accounts Receivable | CompX |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 14.2 | 17.1
Trade Accounts Receivable | BMI/LandWell |  |
Trade accounts receivable: |  |
Trade Accounts receivable | $ 0.3 | $ 1.2

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