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Note 3 - Inventories
6 Months Ended
Jun. 27, 2015
Notes to Financial Statements  
Inventory Disclosure [Text Block]
3. Inventories
 
The components of inventories at June 27, 2015 and December 27, 2014 are as follows (in thousands):
 
 
 
June 27, 2015
 
 
December 27, 2014
 
Raw material
 
$
33,193
 
  $ 29,756  
Work in process
 
 
16,404
 
    15,164  
Finished goods
 
 
48,138
 
    52,471  
Total inventories
 
$
97,735
 
  $ 97,391