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Income Taxes - Narrative (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Net deferred tax asset (liability)	$ 22,554,000	$ 8,449,000
Liability for uncertain tax positions	100,000	3,200,000
Unrecognized tax benefits that would impact effective tax rate	100,000
Interest on income taxes accrued	0	2,000,000
Income tax penalties accrued	$ 0	$ 300,000
Returns open to examination, minimum (years)	3 years
Returns open to examination, maximum (years)	5 years
Returns open to examination, state impact of federal changes, maximum (years)	2 years

X

- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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