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Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | Aug. 01, 2020 | Nov. 03, 2019 | Nov. 02, 2019 | Aug. 03, 2019 | Nov. 03, 2018
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Operating right-of-use assets | $ 48,573 | $ 53,334 |  |  |
Operating lease liabilities | 71,558 | $ 76,000 |  |  |
Restructuring reserve | $ 1,663 |  | $ 15,143 | $ 3,891 | $ 3,847
Consolidation of excess facilities and other restructuring activities |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Restructuring reserve |  |  | $ 11,100 |  |

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