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Stock-Based Benefit Plans (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Oct. 31, 2012
Stock Price-Based RSUs issued
Stock based expense recognized	$ 5,684	$ 5,626
Stock Price Based Restricted Stock Units [Member]
Stock Price-Based RSUs issued
Stock based expense recognized	562	848
Aggregate outstanding RSUs	306,000		506,000
Unamortized value of RSUs	$ 1,480		$ 2,042

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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