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Concentration of Credit Risk	9 Months Ended
Concentration of Credit Risk	Jun. 30, 2017
Risks and Uncertainties [Abstract]
Concentration of Credit Risk	Concentration of Credit Risk Information regarding our concentration of credit risk is disclosed in Note 16 of our Fiscal 2016 Financial Statements. Except for the sale of AEM, during the nine months ended June 30, 2017, there were no material changes in our concentration of credit risk.