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ACQUISITIONS (Details) - Global Organic/Specialty Source, Inc. - USD ($)
$ in Thousands
3 Months Ended
Mar. 07, 2016
Jul. 30, 2016
Jul. 29, 2017
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