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Income Taxes - Components of Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Current federal	$ (44,789)	$ (4,409)	$ (34,242)
Current state	322	(394)	(143)
Deferred federal	2,385	1,476	(5,964)
Deferred state	285	(162)	2
Total	$ (41,797)	$ (3,489)	$ (40,347)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.