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Inventory
12 Months Ended
Dec. 28, 2012
Inventory [Abstract]  
Inventory
(2)           Inventory
 
Inventory as of December 28, 2012 and December 30, 2011 consisted of the following (in thousands):
 
   
2012
  
2011
 
        
Finished goods
 $18,563  $18,768 
Work in progress
  4,276   5,650 
Raw materials and supplies
  8,595   12,550 
   $31,434  $36,968