DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location) (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net		$ 5,081	$ 5,193	$ 5,069
Interest Rate Contract [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net	[1]	4,100	3,605	3,087
Cross Currency Interest Rate Swaps [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net	[2]	981	1,588	1,982
Forward Foreign Exchange Contract [Member] | Other Income (Expense) [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Other income (expense), net		$ 143	$ (387)	$ (166)

[1] This amount is representative of the interest expense recognized on the underlying hedged transactions.

[2] This amount is representative of the interest expense recognized on the interest rate swaps designated as cash flow hedging instruments.