Note 5 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	9,682	8,109
Unrecognized Tax Benefits, Interest on Income Taxes Expense	1,008	817	696
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 4,609	$ 3,601

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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- Definition

This element represents interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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