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EQUITY INCENTIVE PLAN (Summary of Stock Option Activity) (Details) (USD $)	3 Months Ended
	Jan. 31, 2013
Stock Options
Outstanding at October 31, 2012	155,105
Options granted	24,976
Options exercised
Options cancelled
Outstanding at January 31, 2013	180,081
Weighted Average Exercise Price
Outstanding at October 31, 2012	$ 20.75
Options granted	$ 23.3
Options exercised
Options cancelled
Outstanding at January 31, 2013	$ 21.11

X

- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

-Subparagraph b(1)(f)

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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