Equity Awards - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to unvested stock options, restricted stock awards and restricted stock units	$ 8.6
Weighted-average remaining recognition period related to unvested stock options, restricted stock awards and restricted stock units	1 year 1 month 6 days
Number of shares issued under ESPP	0.1	0.1	0.1
Percentage of discount on purchase of common stock through ESPP	15.00%
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding	0.3	0.3	0.3
Grant date weighted average exercise price	$ 26.37	$ 22.08	$ 23.38

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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