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Inventories (Tables)
3 Months Ended
Mar. 29, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following (in thousands):
 
March 29, 2020
 
December 31, 2019
Raw materials
$
23,246

 
$
27,285

Work-in-process
6,034

 
5,503

Finished goods
25,705

 
27,473

 
$
54,985

 
$
60,261