Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
May 05, 2018	Apr. 29, 2017	Feb. 03, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 8,507	$ (1,913)
Effective income tax rate	23.30%	36.20%
U.S. corporate income tax rate	21.00%		35.00%
Unrecognized tax benefits	$ 8,200		$ 8,200
Tax expense and the effective tax rate, if recognized	6,500		$ 6,500
Exposures related to unrecognized tax benefits	$ 400
Period of unrecognized tax benefits change	12 months

Significant change in unrecognized tax benefits is reasonably possible period.

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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

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