Financial Investments (Other Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Investment Holdings [Line Items]
Life Insurance Contracts	$ 40,659	$ 39,970
Other Investments	137,847	132,545
Equity Mutual Fund [Member]
Investment Holdings [Line Items]
Fair Value	40,313	38,468
Fixed Income Mutual Fund [Member]
Investment Holdings [Line Items]
Fair Value	55,034	51,331
Marketable Equity Securities [Member]
Investment Holdings [Line Items]
Fair Value	$ 1,841	$ 2,776

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

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