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Inventories
6 Months Ended
Jul. 05, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consisted of the following (in thousands):
 
July 5, 2015
 
December 31, 2014
Raw materials
$
27,157

 
$
18,223

Work-in-process
5,471

 
5,054

Finished goods
6,772

 
5,946

 
$
39,400

 
$
29,223