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Commitments and Contingencies - Schedule of Liability for Deferred Compensation (Details) (Details) - Deferred Compensation Plan For Officers And Executives - USD ($) $ in Thousands | Apr. 26, 2020 | Jan. 26, 2020
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Loss Contingencies [Line Items] |  |
Total deferred compensation liabilities under this plan | $ 33,380 | $ 36,608
Accrued liabilities |  |
Loss Contingencies [Line Items] |  |
Accrued liabilities | 3,522 | 1,365
Other long-term liabilities |  |
Loss Contingencies [Line Items] |  |
Other long-term liabilities | $ 29,858 | $ 35,243

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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363 + Details
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