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Leases (Schedule Of Rental Income) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 27, 2020
Jun. 27, 2020
Operating Leases, Income Statement, Lease Revenue [Abstract]    
Base rentals $ 1,848,402 $ 9,813,041
Variable rentals 69,665 208,995
Total 1,918,067 10,022,036
Depreciation on owned properties leased to others (1,328,968) (3,986,904)
Other shopping center expenses (753,134) (2,503,882)
Total $ (164,035) $ 3,531,250