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INCOME TAXES (Unrecognized tax benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Sep. 27, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized tax benefit, beginning of year $ 7,101 $ 7,192 $ 6,869
Additions for tax positions, current year 519 0 0
Additions for tax positions, prior year 827 5,140 717
Reductions for tax positions, prior year (994) (5,231) (394)
Unrecognized tax benefit, end of year $ 7,453 $ 7,101 $ 7,192