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Property, Plant and Equipment (Property, Plant and Equipment) (Details) - USD ($)
$ in Thousands
Nov. 28, 2015
Aug. 29, 2015
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 169,186 $ 166,242
Less accumulated depreciation (130,092) (128,992)
Total property, plant and equipment, net 39,094 37,250
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 1,874 1,874
Buildings and building improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 53,971 53,388
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 94,970 94,034
Software [Member]    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 9,454 8,033
Transportation [Member]    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 8,917 $ 8,913