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Note 6 - Inventories
3 Months Ended
Aug. 30, 2015
Notes to Financial Statements  
Inventory Disclosure [Text Block]
6.
Inventories
 
Inventories are stated at the lower of cost (first-in, first-out method) or market and consisted of the following (in thousands):
 
   
August 30,
2015
   
May 31,
2015
 
Finished goods
  $ 15,240     $ 13,271  
Raw materials
    10,388       9,879  
Work in progress
    2,795       1,877  
Total
  $ 28,423     $ 25,027