Note 7 - Shareholders' Equity: Schedule of dividends declared and paid (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 26, 2014	Jul. 27, 2013	Jul. 28, 2012
Payments of Ordinary Dividends, Common Stock	$ 12,432	$ 24,048	$ 9,758
Class A Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 1.000	$ 2.000	$ 0.850
Dividends, Cash	9,598	17,486	6,247
Class B Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 0.650	$ 1.300	$ 0.553
Dividends, Cash	$ 2,834	$ 6,562	$ 3,511