INCOME TAXES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ 4,684,000	$ (3,118,000)	$ (155,000)	$ (3,213,000)
Effective income tax rate	58.50%	52.30%	(2.31%)	53.10%