PROPERTY AND EQUIPMENT (Summary of Assets Disposed) (Details) - Disposal Group, Not Discontinued Operations [Member] - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Historical Cost	$ 5,115	$ 10,740	$ 10,465
Accumulated Depreciation	4,640	9,587	8,388
Receivables and Proceeds from Disposal	32	74	738
Loss Recognized	$ (443)	$ (1,079)	$ (1,339)