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Stock-Based Benefit Plans (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012	Jan. 29, 2013	Dec. 20, 2011
Performance-Based Restricted Stock Units
Stock based expense recognized	$ 4,343	$ 3,205	$ 10,027	$ 8,831
Performance Based Restricted Stock Units [Member]
Performance-Based Restricted Stock Units
Issuance of restricted stock and stock units, shares			289,490	360,000
Closing price of the Company's common stock on date of issuance					$ 37.78	$ 20.50
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures			10,937	7,371
Stock based expense recognized	2,074	984	2,588	1,920
Unamortized value of RSUs	$ 11,986	$ 5,452	$ 11,986	$ 5,452

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

Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.

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