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Accounts and other receivables, net - Components of Accounts and Other Receivables (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Trade accounts receivable: |  |
VAT and other receivables | $ 33.4 | $ 35.4
Allowance for doubtful accounts | (4.2) | (4.9)
Total | 321.1 | 271.0
Trade Accounts Receivable | Kronos |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 273.6 | 220.3
Trade Accounts Receivable | CompX |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 17.1 | 17.9
Trade Accounts Receivable | BMI/LandWell |  |
Trade accounts receivable: |  |
Trade Accounts receivable | $ 1.2 | $ 2.3

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