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Discontinued Operations (Schedule of Operating Results) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Income (loss) from Discontinued Operations, net of tax $ 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax $ 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax $ 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax $ 3.1us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax