Significant Accounting Policies - Schedule of New Accounting Pronouncements and Changes in Accounting Principles (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 26, 2020	Jan. 27, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 595,117	$ 547,512	$ 627,196
Cost of sales	231,568	210,828	250,174
Provision for income taxes	3,437	12,828	355
Net income	$ 59,867	$ 31,866	$ 69,639
Earnings per share:
Basic (in dollars per share)	$ 0.92	$ 0.48	$ 1.06
Diluted (in dollars per share)	$ 0.91	$ 0.47	$ 1.02