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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 | Aug. 31, 2017 | Aug. 31, 2016
--- | --- | ---
Derivative [Line Items] |  |
Derivative Asset, Noncurrent | $ 2,547 | $ 3,224
Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent | 1,865 | 1,710
Net Tax Effect | (735) | (813)
Total Net OCI | 1,130 | 897
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Total Net OCI | 1,865 |
Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Total Net OCI |  | 1,710
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Total Net OCI | 1,865 |
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Total Net OCI |  | 1,710
Interest Rate Swap [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | (231) | (448)
Net Tax Effect | 80 | 115
Total Net OCI | (151) | (333)
Interest Rate Swap [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | (231) |
Interest Rate Swap [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent |  | (448)
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | (231) |
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent |  | (448)
Cross Currency Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent | 2,547 | 3,224
Net Tax Effect | (950) | (1,248)
Total Net OCI | 1,597 | 1,976
Cross Currency Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent | 2,547 |
Cross Currency Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent |  | 3,224
Cross Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | (451) | (1,066)
Net Tax Effect | 135 | 320
Total Net OCI | (316) | (746)
Cross Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | (451) |
Cross Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent |  | (1,066)
Cross Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent | 2,547 |
Cross Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Noncurrent |  | 3,224
Cross Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent | $ (451) |
Cross Currency Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value Hedging [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Noncurrent |  | $ (1,066)

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