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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Carrying Value and Fair Value of Debt) (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands | Aug. 31, 2017 | Aug. 31, 2016
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Reported Value Measurement [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion | $ 106,297 |  | $ 88,107
Estimated Fair Value [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Long-term debt, including current portion | $ 102,911 | [1] | $ 85,654
[1] | The Company has disclosed the fair value of long-term debt, including debt for which it has entered into cross-currency interest rate swaps, using the derivative obligation as of August 31, 2017 to estimate the fair value of long-term debt, which includes the effects that the cross-currency interest rate swaps have had on the fair value of long-term debt.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Details
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- Details
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- Details
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