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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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