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Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consisted of the following (in thousands):
 
March 31,
2018
 
December 30,
2017
Raw materials
$
4,582

 
$
6,577

Work in progress
215

 
170

Finished goods
81,986

 
77,551

 
$
86,783

 
$
84,298