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Summary of Significant Accounting Policies (Property, Equipment and Improvements, Net) (Details) | 12 Months Ended
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Sep. 30, 2012
Furniture and Fixtures [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment depreciation life | 3 years
Furniture and Fixtures [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment depreciation life | 7 years
Building and Building Improvements [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment depreciation life | 10 years
Building and Building Improvements [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment depreciation life | 39 years

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- Details
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Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration