Note 1 - General (Details) - Property and equipment, estimated useful lives:	12 Months Ended
	Mar. 30, 2013
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] | Maximum [Member]
Note 1 - General (Details) - Property and equipment, estimated useful lives: [Line Items]
Property, Plant, and Equipment Useful Lives	39 years