LEASES (Narrative) (Details) $ in Thousands	3 Months Ended
	Jan. 01, 2021 USD ($) contract	Dec. 27, 2019 USD ($)	Oct. 02, 2020 USD ($)	Sep. 28, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Total net lease liability	$ 39,671	$ 40,968
Right of use assets	$ 38,784	40,302	$ 40,666
Number of contracts | contract	200
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term (in years)	15 years
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Total net lease liability				$ 41,000
Right of use assets				$ 41,000
Affiliated Entity
Lessee, Lease, Description [Line Items]
Total net lease liability	$ 1,052
Operating lease, cost	$ 255	$ 246