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DEBT (Details) - USD ($) | Jul. 25, 2015 | Jul. 26, 2014
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Debt Disclosure [Abstract] |  |
Maximum borrowing amount | $ 25,000,000 |
Amount outstanding | 0 | $ 0
Revolving loan agreement amount of letters of credit (maximum) | 3,000,000 |
Letters of credit outstanding | 2,490,000 |
Net worth available for dividend payments | $ 147,879,000 |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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