Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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

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-URI http://asc.fasb.org/extlink&oid=6528421

+ Details

Significant Accounting Policies - Reconciliation of Denominator of Each Net Loss Per Share (Detail) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Earnings Per Share [Line Items]
Shares used in computing basic net loss per share	164,245	162,430	135,334
Shares used in computing diluted net income per share	164,245	162,430	135,334
Stock Options And Restricted Stock [Member]
Earnings Per Share [Line Items]
Dilutive effect of stock
Stock Warrants [Member]
Earnings Per Share [Line Items]
Dilutive effect of stock