COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Reserve for product warranty activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Commitments and Contingencies Disclosure [Abstract]
Standard Product Warranty Accrual, Additions from Business Acquisition	$ 0	$ 547	$ 0
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Reserve for product warranty, beginning of period	1,856	1,542	1,194
Provision for product warranty	4,816	2,614	2,099
Product warranty costs paid	(2,534)	(2,847)	(1,751)
Reserve for product warranty, end of period	$ 4,138	$ 1,856	$ 1,542