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Short-Term and Long-Term Investments | 9 Months Ended
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Aug. 01, 2020
Investments, Debt and Equity Securities [Abstract] |
Short-Term and Long-Term Investments | SHORT-TERM AND LONG-TERM INVESTMENTS As of the dates indicated, investments are comprised of the following (in thousands):
| August 1, 2020 |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
U.S. government obligations: |  |  |  |  |  |  |
Included in short-term investments | $ | 70,093 |  |  | $ | 311 |  |  | $ | — |  |  | $ | 70,404 |
| $ | 70,093 |  |  | $ | 311 |  |  | $ | — |  |  | $ | 70,404 |
| November 2, 2019 |  |  |  |  |  |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
U.S. government obligations: |  |  |  |  |  |  |
Included in short-term investments | $ | 109,715 |  |  | $ | 225 |  |  | $ | — |  |  | $ | 109,940 |
Included in long-term investments | 10,017 |  |  | — |  |  | (3) |  |  | 10,014 |
| $ | 119,732 |  |  | $ | 225 |  |  | $ | (3) |  |  | $ | 119,954 |
The following table summarizes the final legal maturities of debt investments at August 1, 2020 (in thousands):
| Amortized Cost |  | Estimated Fair Value
Less than one year | $ | 70,093 |  |  | $ | 70,404 |

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