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Inventories
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories

5. Inventories. Inventories at September 30, 2021 and December 31, 2020 consisted of the following (in thousands):

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September 30, 2021

    

December 31, 2020

Finished goods

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$

115,396

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$

110,933

Work-in-process

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33,299

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19,308

Raw materials

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59,386

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67,778

Total inventories

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$

208,081

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$

198,019

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