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SHORT-TERM AND LONG-TERM INVESTMENTS (Tables) | 3 Months Ended
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Jan. 29, 2022
Investments, Debt and Equity Securities [Abstract] |
Schedule of Short-Term and Long-Term Investments | As of the dates indicated, investments are comprised of the following (in thousands):
| January 29, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
U.S. government obligations: |  |  |  |  |  |  |
Included in short-term investments | $ | 460,683 |  |  | $ | — |  |  | $ | (315) |  |  | $ | 460,368 |
Included in long-term investments | 89,527 |  |  | — |  |  | (887) |  |  | 88,640 |
| $ | 550,210 |  |  | $ | — |  |  | $ | (1,202) |  |  | $ | 549,008 |
| October 30, 2021
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
U.S. government obligations: |  |  |  |  |  |  |
Included in short-term investments | $ | 181,488 |  |  | $ | 5 |  |  | $ | (10) |  |  | $ | 181,483 |
Included in long-term investments | 70,225 |  |  | — |  |  | (187) |  |  | 70,038 |
| $ | 251,713 |  |  | $ | 5 |  |  | $ | (197) |  |  | $ | 251,521 |
Schedule of Legal Maturities of Debt Investments | The following table summarizes the final legal maturities of debt investments at January 29, 2022 (in thousands):
| Amortized Cost |  | Estimated Fair Value
Less than one year | $ | 460,683 |  |  | $ | 460,368 |
Due in 1-2 years | 89,527 |  |  | 88,640 |
| $ | 550,210 |  |  | $ | 549,008 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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