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Note 1 - Summary of Significant Accounting Policies (Detail) - Depreciable lives
12 Months Ended
Jul. 28, 2012
Property Plant and Equipment
DESCRIPTION
USEFUL LIVES
Buildings
25-33
Machinery and equipment
5-15
Furniture and fixtures
5-10
Transportation equipment
3-4
Computer and other equipment
3-7
Building [Member]
 
Property Plant and Equipment 25-33
Machinery and Equipment [Member]
 
Property Plant and Equipment 5-15
Furniture and Fixtures [Member]
 
Property Plant and Equipment 5-10
Transportation Equipment [Member]
 
Property Plant and Equipment 3-4
Computer Equipment [Member]
 
Property Plant and Equipment 3-7