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Note 9 - Inventories (Details) - Inventories (USD $)
In Thousands, unless otherwise specified
Feb. 23, 2014
May 26, 2013
Inventories [Abstract]    
Finished goods $ 12,358 $ 11,297
Raw materials 10,590 9,290
Work in progress 2,720 3,526
Total $ 25,668 $ 24,113