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Subsequent Events	12 Months Ended
	Sep. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	20. SUBSEQUENT EVENTS On December 2, 2021, we entered into the Ninth Amendment of our Prior Credit Agreement with Wells Fargo. The Ninth Amendment, among other things, increases the maximum revolver amount from $100,000 to $125,000, reduces our required minimum Liquidity from $20,000 to $12,500, and extends the maturity date from September 30, 2024 to September 30, 2026. The Ninth Amendment also addresses the banking industry's transition away from the London Interbank Offered Rate ("LIBOR") as a benchmark interest rate by replacing LIBOR with the Secured Overnight Financing Rate ("SOFR") as the benchmark for establishing the interest rate charged on our borrowings. Under the terms of the Ninth Amendment, amounts outstanding bear interest at a per annum rate equal to a Daily Three Month SOFR, plus an interest rate margin, which is determined quarterly, based on the following thresholds:

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No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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