Earnings per Share, Basic and Diluted - Computation of Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 30,702	$ 29,139	$ 81,085	$ 33,430
Weighted average common shares for basic earnings per share:	24,284	24,864	24,905	24,913
Dilutive effect of stock options and restricted stock	345	355	420	358
Weighted average common shares for diluted earnings per share:	24,629	25,219	25,325	25,271
Basic earnings per share	$ 1.26	$ 1.17	$ 3.26	$ 1.34
Diluted earnings per share	$ 1.25	$ 1.16	$ 3.20	$ 1.32