REVENUE RECOGNITION (Disaggregated Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 871,726	$ 820,290	$ 1,650,454	$ 1,567,733
Foods And Sundries [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	438,345	412,857	831,150	789,185
Fresh Foods [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	241,317	220,499	456,555	421,205
Hardlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	100,419	98,947	191,422	191,101
Softlines [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	49,904	47,975	90,263	88,364
Other Business [Member]
Disaggregation of Revenue [Line Items]
Net Merchandise Sales	$ 41,741	$ 40,012	$ 81,064	$ 77,878