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Stock-Based Compensation - Additional Information about Restricted Stock Awards (Detail) - 2012 Stock Incentive Plan - Restricted stock and restricted stock unit - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Share Based Compensation Arrangement By Share Based Payment Award      
Weighted-average fair value per share of awards granted $ 129.21 $ 111.38 $ 55.31
Grant date fair value of awards released $ 10,522 $ 11,477 $ 16,839