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Discontinued Operations - Bargain sale discontinued operations (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Gain on sale before taxes	$ 0	$ 4,665,000	$ 0
Income before income taxes	0	4,665,000	0
Permanent tax benefit	0	2,126,000	0
Provision for income taxes	0	(1,823,000)	0
Income from discontinued operations	$ 0	$ 4,968,000	$ 0

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- Definition

No authoritative reference available.

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No definition available.

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- Definition

Other income (loss) amounts, net of tax expense or benefit, relating to a disposal group that is classified as a component of the entity, exclusive of the following elsewhere enumerated categories: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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This element represents the amount of gain (loss) on sale of properties during the reporting period gross of the applicable income taxes realized.

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