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Detail of Certain Balance Sheet Accounts - Other Non Current Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Other Assets, Noncurrent [Abstract] |  |
Deposits | $ 0 | $ 0
Deferred Tax Assets, Noncurrent | 0 | 0
Deferred Compensation Plan Assets | 641 | 599
Investments | 558 | 919
Other, Other Noncurrent Assets | 2,583 | 2,192
Other Assets, Noncurrent, Total | $ 3,782 | $ 3,710

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