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Accounts and other receivables, net (Tables) | 9 Months Ended
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Sep. 30, 2025
Accounts and other receivables, net |
Schedule of Components of Accounts and Other Receivables | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2024 |  | 2025
​ | ​ | (In millions)
Trade accounts receivable: |  | ​ |  |  | ​ |
Kronos | ​ | $ | 269.2 | ​ | $ | 319.4
CompX | ​ |  | 14.2 | ​ |  | 18.2
BMI/LandWell | ​ |  | .3 | ​ |  | 1.2
VAT and other receivables | ​ |  | 45.9 | ​ |  | 30.7
Refundable income taxes | ​ | ​ | 1.3 | ​ | ​ | 1.0
Receivables from affiliates: | ​ | ​ | ​ | ​ | ​ | ​
Contran - trade items | ​ | ​ | .2 | ​ | ​ | .1
Other | ​ | ​ | .6 | ​ | ​ | .6
Allowance for doubtful accounts | ​ |  | (3.9) | ​ |  | (4.6)
Total | ​ | $ | 327.8 | ​ | $ | 366.6
​

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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