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
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Share Based Compensation Arrangement By Share Based Payment Award
Weighted-average fair value per share of awards granted	$ 371.36	$ 129.21	$ 111.38
Grant date fair value of awards released	$ 6,710	$ 10,522	$ 11,477