Schedule II - Valuation and Qualifying Accounts - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Balance, beginning of year	$ 291	$ 254	$ 295
Amounts charged to earnings	80	65	(41)
Write-offs, net of recoveries	(14)	(28)	0
Balance, end of year	$ 357	$ 291	$ 254