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Property Held For Lease And Rental Income (Schedule Of Owned Properties Under Operating Leases By Major Classes) (Details) - USD ($)
Sep. 24, 2016
Sep. 26, 2015
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 199,397,506 $ 196,590,109
Less accumulated depreciation (101,573,490) (99,766,077)
Property subject to operating lease, Total 97,824,016 96,824,032
Land [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross 44,899,234 41,424,958
Buildings [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 154,498,272 $ 155,165,151