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Accounts and other receivables, net - Components of Accounts and Other Receivables (Detail) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Trade accounts receivable: |  |
VAT and other receivables | $ 26.3 | $ 33.4
Refundable income taxes | 2.5 | 1.8
Allowance for doubtful accounts | (3.6) | (4.2)
Total | 397.6 | 340.4
Trade Accounts Receivable | Kronos |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 355.7 | 273.6
Trade Accounts Receivable | CompX |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 15.5 | 17.1
Trade Accounts Receivable | BMI/LandWell |  |
Trade accounts receivable: |  |
Trade Accounts receivable | 0.5 | 1.2
Louisiana Pigment Company, L.P. (LPC) |  |
Trade accounts receivable: |  |
Receivables from affiliates |  | 16.9
Contran | Trade Items |  |
Trade accounts receivable: |  |
Receivables from affiliates | 0.2 | 0.2
Other | Trade Items |  |
Trade accounts receivable: |  |
Receivables from affiliates | $ 0.5 | $ 0.4

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