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SIGNIFICANT ACCOUNTING POLICIES SIGNIFICANT ACCOUNTING POLICIES (Details 9) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 29, 2017 | Jul. 30, 2016 | Aug. 01, 2015
Recently Issued Pronouncements [Abstract] |  |  |
Tax deficit associated with stock plans | $ 1,320 | $ 83 |
Tax benefit associated with stock plans |  |  | $ 2,746
Deferred income taxes | 40,635 | 35,228 |
Debt Issuance Costs, Noncurrent, Net | $ 1,500 | $ 1,600 |

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- Definition Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP). + References No definition available. + Details
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