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Income Taxes (Details) - USD ($)	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Operating Loss Carryforwards [Line Items]
Effective tax rate (as a percent)	60.20%	14.50%	25.60%
Statutory Federal income tax rate (as a percent)	21.00%	21.00%	21.00%
Accrued interest and penalties	$ 300,000	$ 0
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Federal tax credit carryforward	500,000
Operating loss carryforwards	1,000,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Federal tax credit carryforward	8,900,000
Tax credit carryforwards subject to expiration	3,600,000
Operating loss carryforwards	16,500,000
Operating loss carryforwards subject to expiration	$ 10,900,000

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Tax Credit Carryforwards, Subject to Expiration

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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