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Income Taxes (Narrative) (Details)	3 Months Ended
Income Taxes (Narrative) (Details)	Dec. 31, 2012	Dec. 31, 2011
Income Tax Expense (Benefit) [Abstract]
Effective tax rate	7.90%	(59.40%)

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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