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Per Share Data (Narrative) (Details) (Outstanding stock options and awards)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Outstanding stock options and awards
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Stock options and awards excluded from diluted earnings per share (shares)   1,781,000  
Additional stock options and awards excluded from diluted earnings per share by the application of the treasury stock method (shares) 2,733,000 1,499,000 1,115,000