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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Accumulated other comprehensive income) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Oct. 01, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Gain from foreign currency translation adjustments $ 2,422 $ 462
Unrecognized actuarial loss on pension plan, net of tax (1,736) (2,726)
Accumulated other comprehensive income/(loss) 2,039 (2,726)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax $ 1,353 $ (462)