| Schedule Of Differences Between Segment Profit and Amounts Included in Net Income |
| | | | | | | | | | | | | | | Three months ended June 30, | | Six months ended June 30, | | | 2024 | | 2025 | | 2024 | | 2025 | | | | (In thousands) | Net sales | | $ | 35,887 | | $ | 40,366 | | $ | 73,858 | | $ | 80,638 | | | | | | | | | | | | | | Segment profit | | | 5,081 | | | 6,320 | | | 8,796 | | | 12,189 | Corporate expenses | | | (4,290) | | | (3,519) | | | (6,649) | | | (6,240) | Equity in earnings (losses) of Kronos Worldwide, Inc. | | | 5,973 | | | (2,811) | | | 8,449 | | | 2,714 | Interest and dividend income | | | 2,678 | | | 1,504 | | | 5,229 | | | 3,542 | Marketable equity securities | | | 779 | | | (108) | | | 3,162 | | | (8,659) | Other components of net periodic pension and OPEB cost | | | (318) | | | (285) | | | (636) | | | (570) | Interest expense | | | (148) | | | (90) | | | (293) | | | (666) | Income tax (expense) benefit | | | (1,302) | | | 43 | | | (2,290) | | | 66 | Net income | | $ | 8,453 | | $ | 1,054 | | $ | 15,768 | | $ | 2,376 |
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