Goodwill and Intangible Assets - Narratives (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2021	Jul. 25, 2020	Apr. 25, 2020	Jul. 31, 2021	Jul. 25, 2020	Jan. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment charge			$ 53,300	$ 0	$ 53,264
Goodwill	$ 272,485			272,485		$ 272,485
Amortization of intangible assets	$ 4,700	$ 5,200		$ 9,400	$ 10,400

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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