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LEASES - Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2024 USD ($) renewal_options	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) renewal_options	Sep. 30, 2023 extension
Lessee, Lease, Description [Line Items]
Number of renewal options	1		1
Renewal option term	5 years		5 years
Right-of-use assets and lease liability | $	$ 5.9	$ 17.6	$ 18.1
Initial lease term not yet commenced	11 years	12 years	11 years	12 years
Number of lease extensions | extension				2
Term of extension				5 years
Tulsa Industrial Facility Lease
Lessee, Lease, Description [Line Items]
Number of renewal options	2		2

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- Definition

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+ References

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- Definition

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- Definition

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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-Topic 842
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