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OTHER OPERATING EXPENSE (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Other Income and Expenses [Abstract]
Acquisition and integration costs	$ 0	$ 70	$ 1,228
Restructuring costs	1,454	3,374	4,625
Startup costs	2,282	3,278	6,858
Remediation costs	0	1,404	2,357
Settlement agreement	(7,550)	0	0
Resolution Agreement and Plea Agreement	0	28,500	0
Other costs	7,524	5,916	3,469
Total	$ 3,710	$ 42,542	$ 18,537

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.

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Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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