STOCK-BASED COMPENSATION AND STOCK OWNERSHIP PLANS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2022	Oct. 01, 2021	Oct. 02, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares paid for tax withholding (shares)	1,778	2,341
Award performance period	3 years
Discount from fair market value (not less than)	85.00%
Employee stock purchase plan, expense	$ 355	$ 86	$ 43
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]
Tax benefit	$ 98	581	238
Non-Vested Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit	$ 295	287	252
Award vesting period (years)	5 years
Fair value of vested restricted stock	$ 1,002	1,950	1,288
Stock compensation expense	1,252	1,179	1,032
Unrecognized compensation cost	2,481
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit	242	290	166
Fair value of vested restricted stock	3,240	3,353	1,600
Stock compensation expense	2,522	$ 2,895	$ 1,611
Unrecognized compensation cost	$ 1,583
Shares tendered back to company (shares)	3,331	3,320
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)	447,645
Employee stock purchase plan, shares issued (shares)	5,112	0	2,190

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