REVENUE RECOGNITION (Disaggregated Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 838,369	$ 778,728
Foods And Sundries [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	418,374	392,805
Fresh Foods [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	235,289	215,238
Hardlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	112,785	90,804
Softlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	40,329	40,324
Other Business [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 31,592	$ 39,557