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Long-Term Obligations - Summary of Long-Term Obligations (Parenthetical) (Detail)	Oct. 31, 2013	Oct. 31, 2012
Farm Credit West, PCA, (FCW) term loan, bearing interest at 1.7% [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.70%	1.70%
Bank of America, N.A. (BoA) term loan, bearing interest at 1.7% [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.70%	1.70%
FCW, term loan, bearing interest at 5.7% [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	5.70%	5.70%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-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 210.5-02.22(a)(1))

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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration