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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, 2019
Aug. 31, 2018
Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 89,586 $ 102,575
Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 84,833 [1] $ 96,959
[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, 2019 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.