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INVESTMENTS IN LIMITED PARTNERSHIPS (Schedule of Financial Information) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Oct. 03, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Oct. 03, 2020	Sep. 28, 2019
Financial Position:
Current assets	$ 36,508,000				$ 19,593,000				$ 36,508,000	$ 19,593,000
Current liabilities	25,362,000				13,129,000				25,362,000	13,129,000
Operating Results:
Revenues	28,245,000	$ 23,663,000	$ 30,128,000	$ 30,941,000	29,060,000	$ 29,512,000	$ 29,736,000	$ 27,894,000	112,977,000	116,202,000
Net income									2,184,000	5,377,000
Fort Lauderdale, Florida [Member]
Financial Position:
Current assets	591,000				295,000				591,000	295,000
Non-current assets	655,000				639,000				655,000	639,000
Current liabilities	$ 562,000				$ 187,000				562,000	187,000
Operating Results:
Revenues									3,430,000	3,924,000
Gross profit									2,279,000	2,568,000
Net income									$ 24,000	$ 82,000

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