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ACQUISITIONS (Details) - Global Organic/Specialty Source, Inc. - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 07, 2016 | Jul. 29, 2017 | Jul. 28, 2018
Business Acquisition [Line Items] |  |  |
Business acquisition, cash consideration paid | $ 20,600 |  |
Customer Lists |  |  |
Business Acquisition [Line Items] |  |  |
Finite-lived intangible assets acquired |  |  | $ 7,400
Finite-lived intangible asset, useful life |  | 10 years |

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