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	$ 200,711	$ 130,656
Loss on extinguishment of debt	146,116	$ 105
Net income available to common shareholders	$ 346,827
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	1,551,102	3,490,282
Weighted-average shares-diluted	28,527,246	31,210,011
Basic net income per share	$ 15.34	$ 6.22
Diluted net income per share	$ 12.16	$ 4.19