PROPERTY AND EQUIPMENT (Summary of Depreciation and Amortization Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
PROPERTY AND EQUIPMENT [Abstract]
Depreciation, Property and equipment	$ 58,815	$ 52,554	$ 51,520
Amortization expense, Intangible assets	2,410	2,404	1,120
Total depreciation and amortization expense	$ 61,225	$ 54,958	$ 52,640