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Inventories
3 Months Ended
Mar. 30, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of the following (in thousands):
 
March 30, 2014
 
December 31, 2013
Raw materials
$
12,958

 
$
13,101

Work-in-process
7,521

 
4,472

Finished goods
7,955

 
8,121

 
$
28,434

 
$
25,694