Property, Plant and Equipment (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Nov. 26, 2016	Aug. 27, 2016
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 198,210	$ 185,858
Less accumulated depreciation	(131,507)	(129,927)
Total property, plant and equipment, net	66,703	55,931
Land [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	4,047	3,864
Buildings and building improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	69,329	62,073
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	98,285	95,087
Software [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	17,396	15,878
Transportation [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 9,153	$ 8,956