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Supplemental Financial Information (Tables)
 12 Months Ended
Oct. 02, 2021
Condensed Financial Information [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable
Accounts receivable, net, consisted of the following at the dates indicated:
(in thousands)
October 2, 2021October 3, 2020
Accounts receivable$10,067 $7,723 
Allowance for doubtful accounts(100)(100)
Accounts receivable, net $9,967 $7,623 
Schedule of Product Warranty Liability
The following table reflects activity in accrued warranty cost (current and long-term portion combined) for the fiscal years presented:
(in thousands)202120202019
Balance at beginning of period$21,374 $22,343 $22,646 
Add: current period accruals6,920 8,980 10,869 
Less: current period reductions of accrual(9,744)(9,949)(11,172)
Balance at end of period$18,550 $21,374 $22,343 
The following table reflects activity in deferred warranty income (current and long-term portions combined), for the sale of extended warranties of two years to five years, for the fiscal years presented:
(in thousands)202120202019
Balance at beginning of period$22,588 $24,045 $23,191 
   Add: current period deferred income6,192 7,298 9,238 
   Less: current period recognition of income(8,636)(8,755)(8,384)
Balance at end of period$20,144 $22,588 $24,045 
Schedule of Self Insurance Reserve
The following table reflects the total accrued self-insurance liability, comprised of workers' compensation and health insurance related claims, at the dates indicated:
(in thousands)October 2, 2021October 3, 2020
Current portion$2,781 $2,993 
Long-term portion1,732 1,962 
Total accrued self-insurance$4,513 $4,955