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Leases (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Leases [Abstract]    
Operating Leases, Rent Expense, Net   $ 25,510
Operating Lease, Impairment Loss $ 3,696  
Finance Lease, Impairment Loss $ 1,112