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Details of Selected Balance Sheet Accounts - Inventories (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Finished goods and purchased products | $ 105,009 | $ 90,443
Work in process | 31,258 | 32,079
Raw materials | 110,401 | 97,817
Total inventories | 246,668 | 220,339
Allowance for excess or obsolete inventory | (40,127) | (37,681)
Inventories, net | $ 206,541 | $ 182,658

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