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COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Reserve for product warranty activity) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Reserve for warranty, beginning of period $ 13,443 $ 16,961
Provision for warranty 2,100 3,968
Utilization of reserve (4,122) (3,819)
Reserve for warranty, end of period $ 11,421 $ 17,110