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Property Held For Lease And Rental Income (Schedule Of Owned Properties Under Operating Leases By Major Classes) (Details) - USD ($)
Sep. 26, 2015
Sep. 27, 2014
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 196,590,109 $ 210,681,385
Less accumulated depreciation (99,766,077) (103,238,395)
Property subject to operating lease, Total 96,824,032 107,442,990
Land [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross 41,424,958 41,796,507
Buildings [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Property subject to operating lease, Gross $ 155,165,151 $ 168,884,878