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Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 30, 2022 | Jan. 31, 2021 | Jan. 26, 2020
Accounting Policies [Abstract] |  |  |
Aggregate net investments under cost method of accounting | $ 31,500 | $ 24,100 |
Total equity method investments | 6,000 | 3,100 |
Investment impairments and credit loss reserves | $ (1,337) | (6,769) | $ (1,211)
Percent of realizable undiscounted cash flows used to determine useful life of acquired finite-lived intangible assets, minimum | 90.00% |  |
Advertising costs | $ 1,800 | 1,000 | 900
Recoveries from nonrecurring engineering services | $ 7,500 | $ 9,600 | $ 8,400

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- Definition Research and Development, Recoveries from Engineering Services + References No definition available. + Details
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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