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Significant Accounting Policies and Estimates - Narratives (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 30, 2021 | Jan. 25, 2020 | Jan. 26, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Capitalized Computer Software, Net | $ 15,600 | $ 21,200 |
Composite Revenue, Percentage | 10.00% |  |
Goodwill impairment charge | $ 53,264 | $ 0 | $ 0
Revenue Recognized Using Cost To Cost Percentage of Completion Method [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Percentage of Revenue | 5.00% | 5.00% | 5.00%
Stock Options |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |
RSUs |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period | 17,774 |  |
Performance RSUs |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period | 262,798 |  |

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