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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value and Summary of Fair Value of Foreign Currency Forward Contracts) (Details) - USD ($) $ in Thousands	Feb. 28, 2017	Aug. 31, 2016
Derivative [Line Items]
Derivative Asset, Noncurrent	$ 3,332	$ 3,224
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	2,667	1,710
Net Tax Effect	(1,009)	(813)
Total Net OCI	1,658	897
Interest Rate Swaps [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	613
Net Tax Effect	(220)
Total Net OCI	393
Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Noncurrent	(69)	(448)
Net Tax Effect	19	115
Total Net OCI	(50)	(333)
Forward Foreign Exchange Contracts [Member] | Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Total Net OCI	(87)	(110)
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	(87)	(110)
Cross-Currency Interest Rate Swaps [Member] | Other Noncurrent Assets [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	2,719	3,224
Net Tax Effect	(987)	(1,248)
Total Net OCI	1,732	1,976
Cross-Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Noncurrent	(596)	(1,066)
Net Tax Effect	179	320
Total Net OCI	$ (417)	$ (746)

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