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

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

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Amount of reasonable estimate for income tax expense for which accounting for tax effect for remeasurement of deferred tax asset from change in tax rate is incomplete pursuant to Tax Cuts and Jobs Act.

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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018	Nov. 03, 2019	Oct. 28, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax provision (benefit)	$ 165	$ 1,306	$ 671	$ 576
Statutory income tax rate						23.40%
Tax Cuts and Jobs Act of 2017, reduction of deferred tax assets						$ 26,800
Forecast
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Statutory income tax rate					21.00%