DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value) (Details) - USD ($) $ in Thousands		Aug. 31, 2016	Aug. 31, 2015
Derivative [Line Items]
Derivative Asset, Noncurrent		$ 3,224	$ 4,129
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent		1,710	2,430
Net Tax Effect		(813)	579
Total Net OCI		897	(3,009)
Designated as Hedging Instrument [Member] | Recurring [Member]
Derivative [Line Items]
Total Net OCI		(1,710)	(2,430)
Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Total Net OCI		(110)	(66)
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Recurring [Member]
Derivative [Line Items]
Total Net OCI		(1,710)	(2,430)
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Total Net OCI		(110)	(66)
Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Noncurrent		(448)	(387)
Net Tax Effect		115	98
Total Net OCI		(333)	289
Forward Foreign Exchange Contracts [Member] | Fair Value, Inputs, Level 2 [Member] | Other Accrued Expenses [Member] | Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Total Net OCI		(110)	(66)
Cross-Currency Interest Rate Swaps [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	[1]	3,224	4,129
Net Tax Effect	[1]	(1,248)	(1)
Total Net OCI	[1]	1,976	(4,128)
Cross-Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Noncurrent		(1,066)	(1,312)
Net Tax Effect		320	482
Total Net OCI		$ (746)	$ 830

[1] The beneficial tax effect of these swaps was largely offset by a valuation allowance in fiscal year 2015. By contrast, in fiscal year 2016, the fair value of the cross-currency interest rate swap in Colombia no longer was offset by a valuation allowance as the derivatives position changed to a deferred tax liability.