COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of net revenue) (Details) - Customer Concentration Risk	12 Months Ended
Oct. 01, 2022	Oct. 02, 2021
Sales Revenue Net \| ASE Technology Holding
Concentration Risk [Line Items]
Customer concentrations risk percentage		17.40%
Accounts Receivable \| Haoseng Industrial Co., Ltd
Concentration Risk [Line Items]
Customer concentrations risk percentage	12.60%	14.30%
Accounts Receivable \| Tianshui Huatian Technology Co., Ltd.
Concentration Risk [Line Items]
Customer concentrations risk percentage	16.70%	18.20%

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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