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Accounts Receivable II (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 26, 2013 | Jan. 28, 2012 | Jan. 26, 2013 | Jan. 28, 2012
Receivables [Roll Forward] |  |  |  |
Allowance for doubtful accounts at beginning of period | $ 278 | $ 376 | $ 270 | $ 368
Bad debt expense (recovery), net | 23 | 32 | 32 | 68
Amounts charged against the allowance | (22) | 1 | (23) | (27)
Allowance for doubtful accounts at end of period | $ 279 | $ 409 | $ 279 | $ 409

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- Definition Amount of direct write-downs of receivables charged against the allowance for doubtful accounts. + References No definition available. + Details
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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of recoveries of receivables doubtful of collection that were previously charged off. + References No definition available. + Details
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- Details
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