FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	Jun. 30, 2022	Sep. 30, 2021
FAIR VALUE MEASUREMENTS
Debt Instrument, Face Amount	$ 17.4	$ 10.0
Fair value of debt	$ 17.3	$ 9.9

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant