DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location) (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
		May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015	Aug. 31, 2015
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net						$ 100,000
Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net		$ 1,273,000	$ 1,481,000	$ 3,855,000	$ 3,640,000
Interest Rate Contract [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net	[1]	812,000	644,000	2,377,000	1,577,000
Cross-Currency Interest Rate Swaps [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, gain (loss) on derivative, Net	[2]	461,000	837,000	1,478,000	2,063,000
Forward Foreign Exchange Contracts [Member] | Other Income (Expense) [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Other income (expense), net		$ 23,000	$ 465,000	$ (128,000)	$ 6,599,000

[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 cross-currency interest rate swaps designated as cash flow hedging instruments.