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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Allowance for Doubtful Accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance $ 100 $ 100 $ 100
Charges to Expense/(Income) 0 0 0
Doubtful Accounts Written Off, Net 0 0 0
Ending Balance 100 100 100
Deferred Tax Valuation Allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning Balance 3,453 2,476 1,432
Charges to Expense/(Income) 0 999 1,203
Doubtful Accounts Written Off, Net 0 (22) (159)
Ending Balance $ 3,453 $ 3,453 $ 2,476