DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	May 31, 2021	Aug. 31, 2020
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 95,639	$ 100,605
Union Bank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	32,938	33,894
Citibank N.A. [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	52,201	55,086
Scotiabank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 10,500	$ 11,625