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Summary Of Significant Accounting (Tables)
12 Months Ended
Sep. 30, 2016
Accounts Payable and Accrued Liabilities [Abstract]  
Risk-Management Table (Undiscounted Ultimate Losses on Insurance Reserves)
Year Ended September 30:
2017$1,827
20181,183
2019625
2020403
2021216
Thereafter969
Total$5,223