NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration Of Customer Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue from Largest Customers	$ 54,038	$ 45,729	$ 153,123	$ 134,912
Sales Revenue Net \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue from Largest Customers	$ 6,542	$ 6,134	$ 20,846	$ 22,640
Sales Revenue Net \| Customer Concentration Risk \| Largest Customers
Disaggregation of Revenue [Line Items]
Percentage of Total Revenue	12.00%	13.00%	14.00%	17.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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