REVENUE RECOGNITION (Disaggregated Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
Nov. 30, 2019	Nov. 30, 2018
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 778,728	$ 747,443
Foods And Sundries [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	392,805	376,328
Fresh Foods [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	215,238	200,705
Hardlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	90,804	92,154
Softlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	40,324	40,481
Other Business [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 39,557	$ 37,775

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.

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration