Earnings per Share, Basic and Diluted - Computation of Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Earnings Per Share [Abstract]
Net income	$ 119,289	$ 76,227	$ 66,881
Weighted average common shares for basic earnings per share	24,187	24,942	25,200
Dilutive effect of stock options and restricted stock	406	456	335
Weighted average common shares for diluted earnings per share	24,593	25,398	25,535
Basic earnings per share	$ 4.93	$ 3.06	$ 2.65
Diluted earnings per share	$ 4.85	$ 3.00	$ 2.62