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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Defined benefits pension obligations and pension expenses) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Oct. 01, 2022
Switzerland pension obligation    
Defined Benefit Plan Disclosure [Line Items]    
Pension obligation $ 1,119 $ 1,038
Taiwan pension obligation    
Defined Benefit Plan Disclosure [Line Items]    
Pension obligation $ 1,257 $ 1,189