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Capital Stock - Additional Information (Detail) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 14, 2019 | Feb. 01, 2020 | Feb. 02, 2019 | Feb. 03, 2018 | Aug. 15, 2018
Statement Equity Components [Line Items] |  |  |  |  |
Common Stock, Authorized |  | 500,000,000 | 500,000,000 |  |
Common Stock, Par Value |  | $ 0.0001 | $ 0.0001 |  |
Undesignated preferred stock, Authorized |  | 50,000,000 | 50,000,000 |  |
Undesignated preferred stock, Par Value |  | $ 0.0001 | $ 0.0001 |  |
Preferred Stock, Issued |  | 0 | 0 |  |
Preferred Stock, Outstanding |  | 0 | 0 |  |
Shares Used for Tax Withholdings |  | $ 23,200,000 | $ 10,127,000 | $ 7,307,000 |
2018 Stock Repurchase Program |  |  |  |  |
Statement Equity Components [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 300,000,000
2019 Stock Repurchase Program |  |  |  |  |
Statement Equity Components [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount | $ 400,000,000 |  |  |  |
Stock repurchase program, authorized execution month and year | 2021-08 |  |  |  |
Common stock repurchased, shares |  | 1,740,740 |  |  |
Common stock repurchased, value |  | $ 299,900,000 |  |  |
Remaining authorized repurchase amount |  | $ 398,500,000 |  |  |
Treasury Stock |  |  |  |  |
Statement Equity Components [Line Items] |  |  |  |  |
Shares Used for Tax Withholdings (in shares) |  | 132,222 |  |  |
Shares Used for Tax Withholdings |  | $ 23,200,000 |  |  |

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