DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	Nov. 30, 2019	Aug. 31, 2019
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 113,425	$ 77,769
Union Bank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	34,850	35,169
Citibank N.A. [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	60,825	24,225
Scotiabank [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 17,750	$ 18,375