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Per Share Data (Narrative) (Details) - $ / shares
shares in Millions
Sep. 30, 2015
Sep. 30, 2014
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 5.25  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 55  
Options and RSUs [Member]    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Number of shares that had no effect on computation of dilutive weighted average number of shares outstanding 88 67