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INCOME TAXES (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Unrecognized tax benefits, beginning of year $ 12,412 $ 11,866
Increase as a result of tax positions taken during the current year 0 261
Increase as a result of tax positions taken during prior years 597 1,152
Decrease for lapse in statute of limitations (233) (867)
Unrecognized tax benefits, end of year $ 12,776 $ 12,412