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. 29, 2022	Oct. 30, 2021	Jul. 31, 2021	May 01, 2021	Jan. 30, 2021	Oct. 24, 2020	Jul. 25, 2020	Apr. 25, 2020	Jan. 29, 2022	Jan. 30, 2021	Jan. 25, 2020	Sep. 15, 2015
Basic earnings per unit
Net income	$ 794	$ 28,717	$ 18,165	$ 898	$ (4,195)	$ 33,926	$ 37,024	$ (32,418)	$ 48,574	$ 34,337	$ 57,215
Weighted-average number of common shares (in shares)									30,337,544	31,665,183	31,498,474
Basic earnings per common share (in dollars per share)	$ 0.03	$ 0.95	$ 0.60	$ 0.03	$ (0.13)	$ 1.06	$ 1.17	$ (1.03)	$ 1.60	$ 1.08	$ 1.82
Diluted earnings per unit
Weighted-average number of common shares (in shares)									30,337,544	31,665,183	31,498,474
Potential common stock arising from stock options, and unvested restricted share units (in shares)									506,667	425,395	323,308
Total shares-diluted (in shares)									30,844,211	32,090,578	31,821,782
Diluted earnings per common share (in dollars per share)	$ 0.03	$ 0.94	$ 0.59	$ 0.03	$ (0.13)	$ 1.05	$ 1.15	$ (1.03)	$ 1.57	$ 1.07	$ 1.80
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									1,004,953	3,665,932	9,748,412
Purchase of warrants	$ 700
Proceeds from borrowings on senior credit agreement, including term loans									$ 95,000	$ 1,056,000	$ 475,000
Convertible Note Hedge
Diluted earnings per unit
Debt instrument, convertible, conversion price (per share)												$ 96.89
Warrant Transaction
Diluted earnings per unit
Class of warrant or right, exercise price of warrants or rights (per warrant)												$ 130.43
Proceeds from borrowings on senior credit agreement, including term loans										$ 25,000	$ 25,000
Stock-based awards
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									91,816	233,988	253,000
Convertible senior notes
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									375,013	1,715,972	4,747,706
Warrants
Diluted earnings per unit
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)									538,124	1,715,972	4,747,706