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Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives
 12 Months Ended
Mar. 29, 2014
Machinery, Equipment, and Software [Member] | Minimum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 2 years
Machinery, Equipment, and Software [Member] | Maximum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 15 years
Furniture and Fixtures [Member] | Minimum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 3 years
Furniture and Fixtures [Member] | Maximum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 10 years
Leasehold Improvements [Member] | Minimum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 2 years
Leasehold Improvements [Member] | Maximum [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 10 years
Building and Building Improvements [Member]
  
Note 1 - General (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property, Plant, and Equipment Useful Lives 39 years