Note 5 - Income Taxes: Schedule of Unrecognized Tax Benefits Roll Forward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 26, 2014	Jul. 27, 2013
Unrecognized Tax Benefits, Beginning Balance	$ 17,640	$ 14,895
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	3,764	2,745
Unrecognized Tax Benefits, Ending Balance	28,993	17,640
Gross
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	$ 7,589