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Stock-Based Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based expense recognized	$ 5,684	$ 5,626
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	$ 2,079	$ 2,061

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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