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Inventories (Details) - Schedule of Inventories - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Inventory at FIFO |  |
Finished goods | $ 30,989 | $ 23,573
Materials and products in process | 119,203 | 105,721
Gross inventories | 150,192 | 129,294
Less: LIFO reserve | (64,262) | (59,489)
Less: excess and obsolescence reserve | (6,120) | (4,812)
Net inventories | $ 79,810 | $ 64,993

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- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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