PROPERTY AND EQUIPMENT (Summary of Assets Disposed) (Details) - Disposal Group, Not Discontinued Operations [Member] - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Historical Cost	$ 10,740	$ 10,465	$ 19,774
Accumulated Depreciation	9,587	8,388	17,436
Receivables and Proceeds from Disposal	74	738	377
Gain/(Loss) Recognized	$ (1,079)	$ (1,339)	$ (1,961)