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Inventories
 3 Months Ended
Apr. 01, 2017
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consisted of the following (in thousands):
 
April 1,
2017
 
December 31,
2016
Raw materials
$
4,846

 
$
7,973

Work in progress
411

 
72

Finished goods
61,601

 
66,981

 
$
66,858

 
$
75,026