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Accounts and Other Receivables, Net - Components of Accounts and Other Receivables (Detail) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Trade accounts receivable: |  |
VAT and other receivables | $ 19.9 | $ 31.2
Refundable income taxes | 2.3 | 7.9
Allowance for doubtful accounts | (1.7) | (1.2)
Total | 333.3 | 329.2
Trade Accounts Receivable | Kronos Worldwide, Inc. |  |
Trade accounts receivable: |  |
Accounts receivable | 295.8 | 270.5
Trade Accounts Receivable | CompX |  |
Trade accounts receivable: |  |
Accounts receivable | 12.3 | 11.9
Trade Accounts Receivable | BMI and LandWell |  |
Trade accounts receivable: |  |
Accounts receivable | 1.8 | 1.6
Contran | Trade Items |  |
Trade accounts receivable: |  |
Receivable from affiliates | 0.4 | 0.4
LPC |  |
Trade accounts receivable: |  |
Receivable from affiliates |  | 4.7
Other | Trade Items |  |
Trade accounts receivable: |  |
Receivable from affiliates | $ 2.5 | $ 2.2

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