Subsequent Events	12 Months Ended
Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	23. Subsequent Events In November 2019, we completed the sale of our subsidiary, R2D, to certain members of R2D’s management team. We will recognize a loss of approximately $3.0 million in the first quarter of 2020 and R2D will no longer be included in our consolidated financial statements.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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