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Property Held For Lease And Rental Income (Schedule Of Rental Income) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 24, 2016	Sep. 26, 2015
Property Held For Lease And Rental Income [Abstract]
Base rentals including lease termination payments	$ 8,847,035	$ 8,280,790	$ 7,639,725
Contingent rentals	334,204	312,822	273,133
Total	9,181,239	8,593,612	7,912,858
Depreciation on owned properties leased to others	(5,255,719)	(4,936,485)	(5,019,873)
Other shopping center expenses	(2,654,976)	(2,124,105)	(1,897,737)
Total	$ 1,270,544	$ 1,533,022	$ 995,248

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- Definition

Operating leases income statement lease revenue net.

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- Definition

Operating leases income statement minimum lease revenue including lease termination payment.

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- Definition

Operating leases income statement other expenses.

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- Definition

Amount of contingent rental revenue recognized for the period under lease, based on the occurrences of an event or condition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

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- Definition

The total depreciation charge recorded for property subject to or held for lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707

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