Note 1 - Estimated Useful Lives of Property, Plant, and Equipment (Details)	12 Months Ended
	Aug. 27, 2016
Building [Member] | Minimum [Member]
Property and equipment, useful life	30 years
Building [Member] | Maximum [Member]
Property and equipment, useful life	40 years
Building Components [Member] | Minimum [Member]
Property and equipment, useful life	10 years
Building Components [Member] | Maximum [Member]
Property and equipment, useful life	20 years
Machinery and Equipment [Member] | Minimum [Member]
Property and equipment, useful life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property and equipment, useful life	10 years
Vehicles [Member] | Minimum [Member]
Property and equipment, useful life	3 years
Vehicles [Member] | Maximum [Member]
Property and equipment, useful life	5 years