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DERIVATIVES AND RISK MANAGEMENT (Effective Portion of Derivatives Designated as Cash Flow Hedging Instruments Recognized in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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May 31, 2016 | May 31, 2015 | May 31, 2016 | May 31, 2015
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI | $ (16) | $ 54 | $ 469 | $ (2,371)
Commodity |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI | (56) | (76) | (280) | (492)
Foreign exchange |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss), net of income taxes, for cash flow hedges recognized in AOCI | $ 40 | $ 130 | $ 749 | $ (1,879)

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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + 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 (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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