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Stock-Based Compensation (Details 1) (2011 Management Incentive Plan [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Apr. 30, 2013
2011 Management Incentive Plan [Member]
Stock option activity, related to 2011 Management Incentive Plan
Outstanding, Number of Shares, beginning balance	50
Outstanding, Weighted-Average Exercise Price, beginning balance	$ 21.82
Granted, Number of Shares	10
Granted, Weighted-Average Exercise Price	$ 23.48
Granted, Aggregate Intrinsic Value
Exercised, Number of Shares	(40)
Exercised, Weighted-Average Exercise Price	$ 21.82
Exercised, Aggregate Intrinsic Value
Outstanding, Number of Shares, ending balance	20
Outstanding, Weighted-Average Exercise Price, ending balance	$ 22.64
Outstanding, Aggregate Intrinsic Value	114
Exercisable, Number of Shares	2
Exercisable, Weighted-Average Exercise Price	$ 21.82
Exercisable, Aggregate Intrinsic Value	$ 13

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Share based compensation arrangement by share based payment award options grant in period aggregate intrinsic value.

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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.

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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.

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