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Details of Selected Balance Sheet Accounts - Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Details of Selected Balance Sheet Accounts [Abstract] |  |
Finished goods and purchased products | $ 90,443 | $ 87,934
Work in process | 32,079 | 24,722
Raw materials | 97,817 | 96,357
Total inventories | 220,339 | 209,013
Allowance for excess or obsolete inventory | (37,681) | (40,440)
Inventories, net | $ 182,658 | $ 168,573

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