Stock-Based Compensation (Details)	9 Months Ended	12 Months Ended
Jul. 31, 2011	Oct. 31, 2010
Stock-Based Compensation (Textuals) [Abstract]
Stock options granted	0	0

The quantity of shares issuable on stock options awarded under the plan during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(d)

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration