COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Reserve for product warranty activity) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Reserve for warranty, beginning of period	$ 10,457	$ 13,443
Provision for warranty	2,936	2,100
Utilization of reserve	(3,226)	(4,122)
Reserve for warranty, end of period	$ 10,167	$ 11,421