Goodwill (Narrative) (Details) $ in Thousands	12 Months Ended
Sep. 30, 2020 USD ($)
Disposal Groups [Member]
Goodwill [Line Items]
Impairment charge	$ 8,640

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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