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DERIVATIVES AND RISK MANAGEMENT (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Feb. 28, 2018 | Feb. 28, 2017 | Feb. 28, 2018 | Feb. 28, 2017
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) before income taxes for derivatives not designated as hedges | $ (1,762) | $ (849) | $ 1,174 | $ (1,437)
Commodity | Cost of goods sold |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) before income taxes for derivatives not designated as hedges | (2) | (146) | 573 | (4,775)
Foreign exchange | Cost of goods sold |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) before income taxes for derivatives not designated as hedges | (31) | (25) | (50) | (33)
Foreign exchange | SG&A expenses |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) before income taxes for derivatives not designated as hedges | $ (1,729) | $ (678) | $ 651 | $ 3,371

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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