Carrying amount at the balance sheet date of borrowings from a bank, not elsewhere enumerated in the taxonomy, with a maturity within one year (or within one operating cycle if longer) from the date of borrowing.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Name:	us-gaap_ShortTermBankLoansAndNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Notes Payable and Long-Term Debt - Footnote Narrative (Details) (USD $)	Nov. 30, 2013	Aug. 31, 2013	Nov. 30, 2012
Debt Instrument [Line Items]
Notes payable	$ 1,059,814,000	$ 889,312,000	$ 876,846,000
Five-Year Revolving Facilities [Member] \| Line of credit \| Revolving credit facility
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	2,500,000,000
Notes payable \| Line of credit \| Revolving credit facility
Debt Instrument [Line Items]
Notes payable	604,447,000	521,864,000	274,960,000
CHS Capital notes payable \| Notes payable, other payables
Debt Instrument [Line Items]
Notes payable	$ 455,367,000	$ 367,448,000	$ 601,886,000