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Common Stock, Options and Stock Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Compensation costs included in net income
Gross compensation costs	$ 925	$ 1,513
Income tax benefits	(299)	(446)
Net compensation expense	$ 626	$ 1,067

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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