v3.25.4
COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of net revenue) (Details) - Revenue Benchmark - Customer Concentration Risk
3 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Tianshui Huatian Technology Co., Ltd    
Concentration Risk [Line Items]    
Customer concentrations risk percentage 16.10% 10.90%
Changjin Technology (Shanghai) Co Ltd    
Concentration Risk [Line Items]    
Customer concentrations risk percentage 12.90%  
First Technology China Ltd    
Concentration Risk [Line Items]    
Customer concentrations risk percentage   11.80%
Haoseng Industrial Co Ltd    
Concentration Risk [Line Items]    
Customer concentrations risk percentage 11.00%