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Earnings per Share (Narrative) (Details)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Earnings Per Share    
Antidilutive options excluded from computation of diluted earnings per share 0.4us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.8us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount