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Inventories
12 Months Ended
Dec. 28, 2013
Inventory, Net [Abstract]  
Inventories
Inventories (in thousands):

 
December 28,
2013
 
December 29,
2012
Work in progress
$
32,111

  
$
27,915

Finished goods
14,111

  
16,279

Total inventories
$
46,222

  
$
44,194