Note 1 - Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Aug. 25, 2013

Accounting Policies [Abstract]

Property, Plant and Equipment [Table Text Block]

Machinery and equipment (years)	3	to	7
Building and improvements (years)	15	to	40

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Date of Grant in fiscal -	2013			2012			2011
Dividend yield	2.3%	-	3.3%	3.1%	-	3.2%	2.3%	-	3.3%
Expected volatility	72.4%	-	79.0%		79.8%		77.3%	-	78.5%
Risk free interest rate	.8%	-	1.9%	.9%	-	2.0%	1.2%	-	3.3%
Expected term (years)	5	-	10	5	-	10	5	-	10