STOCK OPTIONS - Narrative (Details)	3 Months Ended		12 Months Ended
	Oct. 03, 2020 USD ($) $ / shares	Sep. 28, 2019 USD ($) $ / shares shares	Oct. 03, 2020 USD ($) plan $ / shares shares	Sep. 28, 2019 USD ($) $ / shares shares
STOCK OPTIONS (Details) [Line Items]
Number of stock option plans | plan			2
Grants in period, gross (in Shares) | shares			266,500	34,000
Exercise price (in Dollars per share)			$ 21.90	$ 19.79
Exercise of stock options (in Shares) | shares			3,500	40,500
Exercised (in Dollars per share)			$ 14.40	$ 12.42
Risk free interest rate, minimum				2.52%
Risk free interest rate, maximum			1.54%	2.61%
Volatility rate			30.30%	30.60%
Dividend yield			5.20%	5.10%
Expected term			10 years	10 years
Stock-based compensation | $			$ 176,000	$ 112,000
Unrecognized compensation cost | $	$ 772,000		$ 772,000
Unrecognized compensation recognition period			3 years 3 months 18 days
Maximum amount of compensation paid under cash bonus plan | $			$ 1,000,000
Employee Stock Option
STOCK OPTIONS (Details) [Line Items]
Grants in period, gross (in Shares) | shares			266,500
Exercise price (in Dollars per share)			$ 21.90
Weighted average grant date fair value (in Dollars per share)			$ 3.35
Employee Stock Option | Exercise Price, One
STOCK OPTIONS (Details) [Line Items]
Grants in period, gross (in Shares) | shares				23,000
Exercise price (in Dollars per share)				$ 19.61
Weighted average grant date fair value (in Dollars per share)				$ 3.48
Grant date fair value | $				$ 80,000
Employee Stock Option | Exercise Price, Two
STOCK OPTIONS (Details) [Line Items]
Grants in period, gross (in Shares) | shares		11,000
Exercise price (in Dollars per share)		$ 20.18
Weighted average grant date fair value (in Dollars per share)		$ 3.55
Grant date fair value | $		$ 39,000
Tranche One | Employee Stock Option
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date			50.00%
Tranche One | Employee Stock Option | Exercise Price, One
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date				50.00%
Tranche One | Employee Stock Option | Exercise Price, Two
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date		25.00%
Tranche Two | Employee Stock Option
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date			50.00%
Tranche Two | Employee Stock Option | Exercise Price, One
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date				50.00%
Tranche Two | Employee Stock Option | Exercise Price, Two
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date		25.00%
Tranche Three | Employee Stock Option | Exercise Price, Two
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date		25.00%
Tranche Four | Employee Stock Option | Exercise Price, Two
STOCK OPTIONS (Details) [Line Items]
Exercisable percentage, grant date		25.00%
2010 Plan
STOCK OPTIONS (Details) [Line Items]
Expiration period			10 years
Exercised (in Dollars per share)	$ 12.04
Purchase and retirement of treasury shares (in Shares) | shares				11,774
2010 Plan | Employee Stock Option
STOCK OPTIONS (Details) [Line Items]
Grants in period, gross (in Shares) | shares				19,500
2016 Plan
STOCK OPTIONS (Details) [Line Items]
Expiration period			10 years