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Stock Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Compensation costs included in net income
Gross compensation costs	$ 1,513	$ 8,548
Income tax benefits	(446)	(2,974)
Net compensation expense	$ 1,067	$ 5,574

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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