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Note 2 - Property, Plant and Equipment (Details) - Summary of Property, Plant and Equipment (USD $)
In Thousands, unless otherwise specified
Aug. 02, 2014
May 03, 2014
Summary of Property, Plant and Equipment [Abstract]    
Land $ 9,500 $ 9,779
Buildings and improvements 49,764 51,494
Machinery and equipment 150,160 148,699
Total 209,424 209,972
Less accumulated depreciation (151,620) (150,478)
Property, plant and equipment – net $ 57,804 $ 59,494