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Inventories (Tables)
3 Months Ended
Mar. 28, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following (in thousands):
March 28,
2020
December 28,
2019
Raw materials
$4,905  $6,231  
Work in progress
81  31  
Finished goods
77,035  80,803  
$82,021  $87,065