New Accounting Standards (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Allowance for uncollectible accounts receivable	$ 3,664	$ 8,359
Operating right-of-use assets	19,370	18,918
Operating lease liabilities	$ 20,030
ASC 842 [Member]
Cumulative effect from adoption		$ 255

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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+ Details