STOCK-BASED COMPENSATION AND STOCK OWNERSHIP PLANS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 29, 2023	Sep. 30, 2022	Oct. 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares paid for tax withholding (shares)	2,289	1,778
Award performance period	3 years
Discount from fair market value (not less than)	85.00%
Employee stock purchase plan, expense	$ 102	$ 355	$ 86
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus achievement target level	80.00%
Bonus payout as a percentage of target award	50.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus achievement target level	120.00%
Bonus payout as a percentage of target award	150.00%
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional tax (expense) benefit	$ (95)	98	581
Non-Vested Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional tax (expense) benefit	$ 390	295	287
Award vesting period (years)	5 years
Fair value of vested restricted stock	$ 909	1,002	1,950
Stock compensation expense	1,612	1,252	1,179
Unrecognized compensation cost	1,900
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional tax (expense) benefit	462	242	290
Fair value of vested restricted stock	2,247	3,240	3,353
Stock compensation expense	732	$ 2,522	$ 2,895
Unrecognized compensation cost	$ 131
Shares tendered back to company (shares)	5,324	3,331
Restricted Stock Units (RSUs) \| Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)	1 year
Restricted Stock Units (RSUs) \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)	3 years
Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under plan (shares)	468,066
Employee stock purchase plan, shares issued (shares)	5,401	5,112	0

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