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Note 3 - Property and Equipment (Tables)
12 Months Ended
May 29, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
 
 
Years of
 
 
 
 
 
 
 
 
 
 
 
Useful Life
 
 
May 29, 2016
 
 
May 31, 2015
 
Land and buildings
  15 - 40     $ 67,192     $ 57,426  
Leasehold improvements
  3 - 20       1,620       1,360  
Computers, capitalized software, machinery, equipment and autos
  3 - 20       87,464       68,260  
Furniture and fixtures
  3 - 7       901       804  
Construction in process
              17,677       6,837  
Gross property and equipment
              174,854       134,687  
Less accumulated depreciation and amortization
              (53,974 )     (50,222 )
Net property and equipment
            $ 120,880     $ 84,465