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Segment information (Tables)
3 Months Ended
Mar. 31, 2025
Segment information  
Schedule Of Differences Between Segment Profit and Amounts Included in Net Income

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Three months ended March 31,

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2024

    

2025

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(In thousands)

Net sales

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$

37,971

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$

40,272

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Segment profit

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3,715

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5,869

Corporate expenses

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(2,359)

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(2,721)

Equity in earnings of Kronos Worldwide, Inc.

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2,476

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​

5,525

Interest and dividend income

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2,551

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​

2,038

Marketable equity securities

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2,383

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(8,552)

Other components of net periodic pension and OPEB cost

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(318)

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(285)

Interest expense

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(145)

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(575)

Income tax (expense) benefit

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(988)

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23

Net income

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$

7,315

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$

1,322