Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average share used in basic computations (in shares)	15,691,000	16,535,000	16,008,000	16,540,000
Dilutive equity awards (in shares)	614,000	447,000	627,000	224,000
Weighted-average shares used in diluted computations (in shares)	16,305,000	16,982,000	16,635,000	16,764,000
Employee Stock Option
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	0
Share-based Payment Arrangement
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	55,084
Incremental common shares attributable to share-based payment arrangements (in shares)	17,216