Net Income Per Share - Anti-Dilutive Securities Excluded from Diluted Net Income per Share (Detail) - shares	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share
Options were excluded from calculation of diluted net earnings share	103,753	390,146	360,496
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share
Options were excluded from calculation of diluted net earnings share	102,374	389,830	360,496
Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share
Options were excluded from calculation of diluted net earnings share	1,379	316