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Inventories (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Inventories [Abstract] |  |
Finished goods | $ 283,002 | $ 324,362
Work in process | 15,274 | 14,099
Raw materials | 181,512 | 190,254
Subtotal | 479,788 | 528,715
Unreturned customer inventories | 21,847 | 19,695
Total inventories | $ 501,635 | $ 548,410

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