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Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Reclassifications and Retrospective Adjustments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2011
Accounting Policies [Abstract]
Business Acquisitions, Purchase Price Allocation, Year of Acquisition, Net Effect on Income	$ 7.3

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- Definition

The net effect on income before taxes of the amortization and accretion of premiums, discounts and intangible assets in the year of acquisition, when the assets of the acquired institution exceed 10 percent of the consolidated assets at the end of the most recent period.

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No definition available.

+ Details

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