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EQUITY INVESTMENTS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Sep. 30, 2017
Schedule of Equity Method Investments [Line Items]          
Equity method investment $ 1,358   $ 1,358   $ 1,502
Share of results of equity-method investee, net of tax $ 121 $ 7 $ 144 $ 7