Stock-Based Awards - Tax Benefit Recognized (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 30, 2021	Jan. 25, 2020	Jan. 26, 2019
Share-based Payment Arrangement [Abstract]
Stock-based compensation	$ 12,771	$ 10,034	$ 20,187
Income tax effect of stock-based compensation	$ 3,141	$ 2,482	$ 5,043

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration