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Leases (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Oct. 02, 2021
Leases [Abstract]      
Sale Leaseback Transaction, Lease Terms   On September 30, 2022, we sold a building located in Murray, Utah and concurrently entered into a lease agreement for the building with an initial term of two years, which also includes the option to extend the terms of the lease for up to two consecutive terms of six months each.  
Gain on sale of buildings $ 10,030 $ 9,075 $ 0
Operating Lease, Impairment Loss $ 2,086   $ 4,808