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Inventories (Tables)
9 Months Ended
Sep. 27, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of the following (in thousands):
 
September 27,
2014
 
December 28,
2013
Raw materials
$
10,013

 
$
7,118

Work in progress
340

 
505

Finished goods
38,351

 
32,529

 
$
48,704

 
$
40,152