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Property Held For Lease And Rental Income (Schedule Of Owned Properties Under Operating Leases By Major Classes) (Details) - USD ($)
Sep. 29, 2018
Sep. 30, 2017
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 225,048,909 $ 215,806,444
Less accumulated depreciation (108,754,494) (114,072,360)
Property subject to operating lease, Total 116,294,415 101,734,084
Land [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross 54,348,413 45,528,897
Buildings [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 170,700,496 $ 170,277,547