SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Useful Lives of Intangible Assets (Details)	Sep. 30, 2025
Patent use right
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	16 years
Trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	20 years
Customer Relationships \| Minimum
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	3 years
Customer Relationships \| Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	4 years
Service agreement
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	25 years
Others
Finite-Lived Intangible Assets [Line Items]
Intangible Asset Useful Life	3 years

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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