Net Income Per Share - Calculation of Net Income Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Net Income Per Share
Net income available to common stockholders	$ 200,711	$ 130,656
Loss on extinguishment of debt	$ 146,116	$ 105
Weighted-average shares-basic	22,608,537	21,003,244
Effect of dilutive stock-based awards	4,367,607	6,716,485
Effect of dilutive convertible senior notes	831,938	3,490,282
Weighted-average shares-diluted	27,808,082	31,210,011
Basic net income per share (Note 13)	$ 8.88	$ 6.22
Diluted net income per share (Note 13)	$ 7.22	$ 4.19