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Note 9 - Inventories (Details) - Inventories (USD $)
In Thousands, unless otherwise specified
Nov. 24, 2013
May 26, 2013
Inventories [Abstract]    
Finished goods $ 13,723 $ 11,297
Raw materials 9,736 9,290
Work in progress 3,406 3,526
Total $ 26,865 $ 24,113 [1]
[1] Derived from audited financial statements.