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Inventories (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Inventories [Abstract] |  |
Finished goods | $ 310,310 | $ 302,557
Work in process | 15,094 | 18,503
Raw materials | 182,779 | 186,015
Subtotal | 508,183 | 507,075
Unreturned customer inventories | 18,119 | 18,240
Total inventories | $ 526,302 | $ 525,315

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