Related Party Receivables (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Oct. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related-party accounts receivable	$ 3,581	$ 536

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

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

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+ Details