DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	Aug. 31, 2020	Aug. 31, 2019
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 100,605	$ 74,386
Union Bank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	33,894	35,169
Citibank N.A. [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	55,086	24,225
Scotiabank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 11,625	$ 14,992