Income Taxes - Narratives (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 30, 2021	Jan. 25, 2020	Jan. 26, 2019	Jan. 27, 2018
Income Tax Disclosure [Abstract]
Tax benefit, tax loss carryback, CARES Act	$ 2,600
Goodwill impairment charge	53,264	$ 0	$ 0
Unrecognized tax benefits	5,940	4,742	$ 3,786	$ 3,322
Payment of interest and penalties accrued	$ 1,900	$ 1,700

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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