Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Nov. 03, 2018	Feb. 03, 2018	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Income Tax Disclosure [Abstract]
Foreign component of pre-tax income (loss)			$ (1.7)	$ 0.1	$ 0.1
Blended tax rate			21.00%	33.80%	35.00%
Reduction in income tax expense	$ (5.0)	$ (10.0)	$ (4.9)
Benefit to effective tax rate			11.20%	5.60%	(0.00%)
Net operating losses			$ 21.8
Tax credit carryovers			5.2
Unrecognized tax benefits, that would impact the effective tax rate		1.2	1.2	$ 1.2	$ 4.4
Income tax penalties and interest expense			0.1	0.1	0.2
Accrued interest and penalties		$ 0.3	$ 0.3	$ 0.3	$ 0.5

Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)

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

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Percentage 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 changes in the income tax rates.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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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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Amount of expense 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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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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