| REVENUE RECOGNITION - Narrative (Details) | 12 Months Ended | ||
|---|---|---|---|
| Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | |
| Revenue Benchmark | Product Concentration Risk | Transferred over Time | |||
| Disaggregation of Revenue [Line Items] | |||
| Concentration risk, percentage | 15.00% | 12.00% | 11.00% | 
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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