REVENUE FROM CONTRACTS WITH CUSTOMERS - NARRATIVE (Details) - USD ($) $ in Thousands	9 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Contract with customer, liability, current	$ 18		$ 377
Contract with customer, liability, revenue recognized	377	$ 1,012
Capitalized contract cost net, preconstruction	240		$ 504
Capitalized contract cost, amortization of preconstruction	$ 240	$ 248
Minimum
Disaggregation of Revenue [Line Items]
Contract receivable retainage percentage	5.00%
Maximum
Disaggregation of Revenue [Line Items]
Contract receivable retainage percentage	10.00%

Contract Receivable Retainage Percentage

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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.

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