Income Taxes - Additional Information (Details) $ in Thousands	3 Months Ended
Dec. 28, 2019 USD ($)
Income Tax Disclosure [Abstract]
Discrete deferred tax benefit	$ 496

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Name:	us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration