Note 8 - Pension Plans: Schedule of Assumptions Used (Details)	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.59%	4.99%	5.19%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.43%	3.59%	4.99%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	7.50%	7.50%	7.50%
Minimum
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	4.00%	4.00%	4.00%
Maximum
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	4.50%	4.50%	4.50%