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Inventories
9 Months Ended
Sep. 27, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
Inventories by major category are as follows (in thousands):
 
 
 
September 27,
2014
 
December 28,
2013
Raw materials
 
$
61,831

 
$
62,241

Work in process
 
21,818

 
21,698

Finished goods
 
74,754

 
77,626

 
 
$
158,403

 
$
161,565