LEASES (Other Information Related to Operating Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2021	Dec. 27, 2019	Oct. 02, 2020
Operating leases:
Operating lease ROU assets	$ 38,784	$ 40,302	$ 40,666
Current operating leases liabilities	6,411	5,835	6,587
Non-current operating lease liabilities	33,260	35,133	$ 34,931
Total operating lease liabilities	$ 39,671	$ 40,968
Weighted average remaining lease term (in years)	9 years 10 months 17 days	10 years 8 months 1 day
Weighted average discount rate	2.84%	2.83%
Cash paid for amounts included in the measurement of lease liabilities	$ 1,857	$ 1,571