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. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Payments of Ordinary Dividends, Common Stock	$ 9,758	$ 19,086	$ 10,820
Class A Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 0.850	$ 1.700	$ 0.970
Cash Dividends	6,247	12,040	6,795
Class B Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 0.553	$ 1.105	$ 0.631
Cash Dividends	$ 3,511	$ 7,046	$ 4,025