Note 8 - Pension Plans: Schedule of Assumptions Used (Details)	12 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	4.99%	5.19%	5.87%
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate	3.59%	4.99%	5.19%
Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase	4 - 4.5 %	4 - 4.5 %	4 - 4.5 %
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	7.50%	7.50%	7.50%