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Related Party Transactions (Details) (Affiliated Entity, USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 26, 2013 | Jan. 28, 2012 | Jan. 26, 2013 | Jan. 28, 2012
Affiliated Entity |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Rental lease expense | $ 400,000 | $ 400,000 | $ 800,000 | $ 800,000

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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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Period Type: | duration

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- Details
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Period Type: | duration