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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Defined benefits pension obligations and pension expenses) (Details) - USD ($)
$ in Thousands
Oct. 02, 2021
Oct. 03, 2020
Switzerland    
Defined Benefit Plan Disclosure [Line Items]    
Pension obligation $ 3,534 $ 3,572
Taiwan    
Defined Benefit Plan Disclosure [Line Items]    
Pension obligation $ 1,443 $ 1,333