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ACQUISITIONS (Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination) (Details) - SeaBear And Northport
$ in Thousands
12 Months Ended
Sep. 27, 2019
USD ($)
Developed technologies  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 6,131
Useful Life (yrs) 7 years 7 months 6 days
Non-compete agreements  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 575
Useful Life (yrs) 5 years