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Income Taxes - Liability for Uncertain Tax Positions (Details) - USD ($) $ in Thousands | Jan. 26, 2020 | Jan. 27, 2019
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Income Tax Contingency [Line Items] |  |
Total accrued taxes | $ 24,130 | $ 16,971
Noncurrent Deferred Tax Asset [Member] |  |
Income Tax Contingency [Line Items] |  |
Liability for uncertain tax positions - noncurrent | 15,575 | 12,492
Other Liabilities [Member] |  |
Income Tax Contingency [Line Items] |  |
Liability for uncertain tax positions - noncurrent | $ 8,555 | $ 4,479

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- Definition Amount recognized for uncertainty in income taxes classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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