Basis Of Presentation And Summary Of Significant Accounting Policies Basis of Presentation and Summary of Significant Accounting Policies (Details)
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9 Months Ended | 12 Months Ended | |
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Sep. 30, 2012
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Sep. 30, 2012
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Sep. 30, 2011
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Organization And Summary Of Significant Accounting Policies [Abstract] | |||
Number of Operating Segments | 3 | 3 | 2 |