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Computation of Earnings Per Common Share - Basic and Diluted Earnings Calculation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2023	Oct. 29, 2022	Jul. 30, 2022	Apr. 30, 2022	Jan. 29, 2022	Oct. 30, 2021	Jul. 31, 2021	May 01, 2021	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021	Sep. 15, 2015
Basic earnings per unit
Net income	$ 24,809	$ 54,012	$ 43,856	$ 19,536	$ 794	$ 28,717	$ 18,165	$ 898	$ 142,213	$ 48,574	$ 34,337
Weighted-average number of common shares (in shares)									29,549,990	30,337,544	31,665,183
Basic earnings per common share (in dollars per share)	$ 0.84	$ 1.83	$ 1.48	$ 0.66	$ 0.03	$ 0.95	$ 0.60	$ 0.03	$ 4.81	$ 1.60	$ 1.08
Diluted earnings per unit
Weighted-average number of common shares (in shares)									29,549,990	30,337,544	31,665,183
Potential common stock arising from stock options, and unvested restricted share units (in shares)									446,601	506,667	425,395
Total shares-diluted (in shares)									29,996,591	30,844,211	32,090,578
Diluted earnings per common share (in dollars per share)	$ 0.83	$ 1.80	$ 1.46	$ 0.65	$ 0.03	$ 0.94	$ 0.59	$ 0.03	$ 4.74	$ 1.57	$ 1.07
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									98,530	1,004,953	3,665,932
0.75% Convertible Senior Notes Due 2021
Diluted earnings per unit
Debt, interest rate (in percent)												0.75%
Stock-based awards
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									98,530	91,816	233,988
Convertible senior notes
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									0	375,013	1,715,972
Warrants
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									0	538,124	1,715,972

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