Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2019	Mar. 28, 2020	Mar. 30, 2019	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Income tax discrete expense (benefit)		$ (382)	$ 1,293
Change in enacted tax rate			1,297
Tax Cuts and Jobs Act of 2017, income tax expense (benefit)	$ 1,297		$ 4
Unrecognized tax benefits		4,985		$ 4,414
Unrecognized tax benefits that would favorably impact the effective tax rate on continuing operations		$ 3,332		$ 2,761

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of income tax expense (benefit) for measurement period adjustment from accounting for tax effect pursuant to Tax Cuts and Jobs Act.

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Amount of unrecognized tax benefits.

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