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Derivatives Purchase and Sales Contracts Outstanding (Details) - Not Designated as Hedging Instrument [Member] - Forward Contracts [Member] - Bushels Bushels in Thousands	Aug. 31, 2015	Aug. 31, 2014
Grain and oilseed contracts [Member] | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	711,066	655,799
Grain and oilseed contracts [Member] | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	895,326	802,479
Energy products [Member] | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	17,238	20,191
Energy products [Member] | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	11,676	16,431
Soy product contracts [Member] | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	706	749
Soy product contracts [Member] | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	2,741	3,047
Crop nutrient contracts | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	48	59
Crop nutrient contracts | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	116	126
Ocean and barge freight contracts | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	5,916	5,727
Ocean and barge freight contracts | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1,962	4,250
Rail freight contracts | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	297	364
Rail freight contracts | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	122	186
Livestock contracts | Long [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	10,480	11,960
Livestock contracts | Short [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1,280	46,520

X

- Definition

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 13



-Sentence Column B

+ Details

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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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