PROPERTY AND EQUIPMENT (Summary of Assets Disposed) (Details) - Disposal Group, Not Discontinued Operations [Member] - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Historical Cost	$ 10,946	$ 5,115	$ 10,740
Accumulated Depreciation	9,534	4,640	9,587
Receivables and Proceeds from Disposal	385	32	74
Loss Recognized	$ (1,027)	$ (443)	$ (1,079)