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COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of net revenue) (Details) - Revenue Benchmark - Customer Concentration Risk	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Huatian TechnologyGroup [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	11.20%
ASE Technology Holding Co
Concentration Risk [Line Items]
Customer concentrations risk percentage		22.70%
Haoseng Industrial Co., Ltd. (1)
Concentration Risk [Line Items]
Customer concentrations risk percentage		11.30%

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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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- 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.

+ References

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