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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
CURRENT ASSETS: |  |
Accounts receivable, allowances for discounts and expected credit losses | $ 8,672 | $ 8,045
Property, plant and equipment, accumulated depreciation | $ 265,904 | $ 259,656
Stockholders' equity: |  |
Common stock, par value (in dollars per share) | $ 2 | $ 2
Common stock, shares authorized (in shares) | 30,000,000 | 30,000,000
Common stock, shares issued (in shares) | 23,936,036 | 23,936,036
Treasury stock - at cost (in shares) | 2,223,698 | 2,018,982

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