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REVENUE - (Details) - USD ($)
$ in Thousands
Sep. 27, 2019
Sep. 29, 2018
Sep. 28, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Accrued customer programs $ 4,440   $ 4,350
Accounting Standards Update 2014-09      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Contract with customer, asset 2,013 $ 763  
Accrued customer programs $ 4,847 $ 2,725