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REVENUE RECOGNITION (Disaggregated Revenues) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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May 31, 2019 | May 31, 2018 | May 31, 2019 | May 31, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | $ 755,009 | $ 750,473 | $ 2,322,742 | $ 2,312,447
Foods And Sundries [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | 384,902 | 383,546 | 1,174,087 | 1,169,928
Fresh Foods [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | 209,452 | 205,144 | 630,657 | 617,713
Hardlines [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | 83,606 | 85,122 | 274,596 | 285,021
Softlines [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | 38,700 | 38,514 | 127,158 | 123,696
Other Business [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net Merchandise Sales | $ 38,349 | $ 38,147 | $ 116,244 | $ 116,089

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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