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Stock-Based Compensation - Stock Option Activity, Related to Incentive Plan (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified			9 Months Ended
	Jul. 31, 2014 2011 Management Incentive Plan [Member]	Oct. 31, 2013 2011 Management Incentive Plan [Member]	Jul. 31, 2014 2005 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Number of Shares, beginning balance	20	20	27
Exercised, Number of Shares			(10)
Outstanding, Number of Shares, ending balance	20	20	17
Exercisable, Number of Shares	6		13
Outstanding, Weighted-Average Exercise Price, beginning balance	$ 22.64	$ 22.64	$ 15.79
Exercised, Weighted-Average Exercise Price			$ 13.25
Outstanding, Weighted-Average Exercise Price, ending balance	$ 22.64	$ 22.64	$ 17.22
Exercisable, Weighted-Average Exercise Price	$ 22.36		$ 16.70
Outstanding, Aggregate Intrinsic Value	$ 237		$ 604
Exercisable, Aggregate Intrinsic Value	$ 73		$ 466

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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