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Schedule II - Valuation and Qualifying Accounts - Schedule of Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Allowance for losses on accounts receivable (deducted from the asset to which it relates)      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 3,597 $ 1,537 $ 885
Additions charged to costs and expenses 1,232 4,051 1,189
Additions charged to other accounts 0 0 0
Deductions (3,641) (1,991) (537)
Balance at end of period 1,188 3,597 1,537
Valuation allowance on deferred income tax assets (deducted from the asset to which it relates)      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period 34,948 29,170 28,369
Additions charged to costs and expenses 4,499 5,778 2,213
Additions charged to other accounts 0 0 0
Deductions (9,126) 0 (1,412)
Balance at end of period $ 30,321 $ 34,948 $ 29,170