CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]	Total
Balance, beginning at Oct. 03, 2015	$ 420,000	$ 6,240,000	$ 26,054,000	$ (6,077,000)	$ 7,162,000	$ 33,799,000
Balance, shares, beginning at Oct. 03, 2015	4,197,642			2,338,995
Net income			3,040,000		1,929,000	4,969,000
Distributions to noncontrolling interests					(2,095,000)	(2,095,000)
Dividends paid			(344,000)			(344,000)
Purchase of noncontrolling interests					(10,000)	(10,000)
Balance, ending at Oct. 01, 2016	$ 420,000	6,240,000	28,750,000	$ (6,077,000)	6,986,000	36,319,000
Balance, shares, ending at Oct. 01, 2016	4,197,642			2,338,995
Net income			3,020,000		1,370,000	4,390,000
Distributions to noncontrolling interests					(2,161,000)	(2,161,000)
Dividends paid			(372,000)			(372,000)
Balance, ending at Sep. 30, 2017	$ 420,000	$ 6,240,000	$ 31,398,000	$ (6,077,000)	$ 6,195,000	$ 38,176,000
Balance, shares, ending at Sep. 30, 2017	4,197,642			2,338,995