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Inventories
12 Months Ended
Dec. 28, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
Inventories by major category are as follows (in thousands):
 
 
 
2013
 
2012
Raw materials
 
$
62,241

 
$
49,001

Work in process
 
21,698

 
17,058

Finished goods
 
77,626

 
61,176

 
 
$
161,565

 
$
127,235