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Property Held For Lease And Rental Income (Schedule Of Owned Properties Under Operating Leases By Major Classes) (Details) - USD ($)
Sep. 25, 2021
Sep. 26, 2020
Property Subject to or Available for Operating Lease [Line Items]    
Owned properties leased or held for lease to others under operating leases $ 300,628,407 $ 267,155,853
Less accumulated depreciation (103,975,838) (106,956,055)
Total 196,652,569 160,199,798
Land [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Owned properties leased or held for lease to others under operating leases 82,896,124 60,322,338
Buildings [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Owned properties leased or held for lease to others under operating leases $ 217,732,283 $ 206,833,515