DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	Feb. 29, 2020	Aug. 31, 2019
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 104,081	$ 77,769
Union Bank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	34,531	35,169
Citibank N.A. [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	52,425	24,225
Scotiabank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 17,125	$ 18,375