Note 9 - Related Parties (Details) - Affiliated Rents Paid for Restaurant Property Lease (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
May 06, 2015	May 07, 2014	May 06, 2015	May 07, 2014
Related Party Transaction [Line Items]
AFFILIATED COSTS INCURRED AS A PERCENTAGE OF RELATIVE TOTAL COMPANY COSTS	0.37%	0.24%	0.37%	0.24%
General and administrative expenses	$ 7,312us-gaap_GeneralAndAdministrativeExpense	$ 8,342us-gaap_GeneralAndAdministrativeExpense	$ 23,088us-gaap_GeneralAndAdministrativeExpense	$ 24,526us-gaap_GeneralAndAdministrativeExpense
Affiliated Cost Incurred [Member]
Related Party Transaction [Line Items]
Capital expenditures				4
Other operating expenses			386	276
Total			386	280
Relative Company Cost [Member]
Related Party Transaction [Line Items]
Capital expenditures			16,429	31,124
Other operating expenses			63,346	62,250
Total			102,863	117,900
General and administrative expenses			$ 23,088	$ 24,526

Accumulated affiliated costs incurred expressed as a percentage of relative company cost.

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- Definition

Amount of expenses related to fixed assets that are capitalized.

+ References

No definition available.

+ Details

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- Definition

Other operating costs incurred during the reporting period and may include amounts paid to maintain the property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

+ References

No definition available.

+ Details

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