CREDIT FACILITIES - Summary of Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 01, 2021	Sep. 30, 2020
Total debt, gross	$ 32,166	$ 21,476
Long-term Debt, Gross	32,407	21,742
Unamortized Debt Issuance Expense	(241)	(266)
Less: current portion	0	0
Long-term debt	$ 32,166	$ 21,476
Revolving Credit Facility [Member]
Maturity Date	Jun. 04, 2023
Term Loan B [Member]
Fixed/Variable Rate	Variable Interest Rate
Master Lease [Member]
Maturity Date	Jun. 04, 2023
Interest Rate	3.00%	3.00%
Long-term Debt, Gross		$ 1,782
Revolving Credit Facility [Member]
Fixed/Variable Rate	Variable Interest Rate
Interest Rate	2.75%	2.75%
Total debt, gross	$ 29,862	$ 19,960

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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