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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Accumulated other comprehensive income) (Details) - USD ($)
$ in Thousands
Dec. 29, 2018
Sep. 29, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Loss from foreign currency translation adjustments $ (2,190) $ (1,211)
Unrecognized actuarial loss on pension plan, net of tax (1,616) (1,620)
Unrealized loss on hedging (278) (1,071)
Accumulated other comprehensive loss $ (4,084) $ (3,902)