Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

Per Share Data (Narrative) (Details)	12 Months Ended
Per Share Data (Narrative) (Details)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
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
Stock options and awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Additional stock options and awards excluded from diluted earnings per share by the application of the treasury stock method (shares)	1,499,000	1,115,000	589,000