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Fair Value Measurements - Balance Sheet Items (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Nov. 02, 2019 | Oct. 31, 2020
Liabilities: |  |
Contingent consideration agreement term | 3 years |
Contingent consideration | $ 4,372,000 | $ 0
Fair Value, Measurements, Recurring |  |
Assets: |  |
Total assets measured at fair value | 885,612,000 | 1,180,842,000
Liabilities: |  |
Total liabilities measured at fair value | 24,833,000 | 29,194,000
Contingent consideration | 3,705,000 |
Fair Value, Measurements, Recurring | Cash equivalents |  |
Assets: |  |
Cash equivalents | 759,114,000 | 939,654,000
Fair Value, Measurements, Recurring | Short-term investments |  |
Assets: |  |
Short-term investments | 109,940,000 | 150,667,000
Fair Value, Measurements, Recurring | Prepaid expenses and other |  |
Assets: |  |
Other assets | 1,570,000 | 82,000
Fair Value, Measurements, Recurring | Long-term investments |  |
Assets: |  |
Long-term investments | 10,014,000 |
Fair Value, Measurements, Recurring | Other long-term assets |  |
Assets: |  |
Other assets | 4,974,000 | 90,439,000
Fair Value, Measurements, Recurring | Accrued liabilities and other short-term obligations |  |
Liabilities: |  |
Accrued liabilities and other short-term obligations | 35,000 | 681,000
Fair Value, Measurements, Recurring | Other long-term obligations |  |
Liabilities: |  |
Other long-term obligations | 24,798,000 | 28,513,000
Fair Value, Measurements, Recurring | Level 1 |  |
Assets: |  |
Total assets measured at fair value | 764,088,000 | 947,867,000
Liabilities: |  |
Total liabilities measured at fair value | 0 | 0
Contingent consideration | 0 |
Fair Value, Measurements, Recurring | Level 1 | Cash equivalents |  |
Assets: |  |
Cash equivalents | 759,114,000 | 939,654,000
Fair Value, Measurements, Recurring | Level 1 | Short-term investments |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other |  |
Assets: |  |
Other assets | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Long-term investments |  |
Assets: |  |
Long-term investments | 0 |
Fair Value, Measurements, Recurring | Level 1 | Other long-term assets |  |
Assets: |  |
Other assets | 4,974,000 | 8,213,000
Fair Value, Measurements, Recurring | Level 1 | Accrued liabilities and other short-term obligations |  |
Liabilities: |  |
Accrued liabilities and other short-term obligations | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Other long-term obligations |  |
Liabilities: |  |
Other long-term obligations | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Assets: |  |
Total assets measured at fair value | 121,524,000 | 232,975,000
Liabilities: |  |
Total liabilities measured at fair value | 21,128,000 | 29,194,000
Contingent consideration | 0 |
Fair Value, Measurements, Recurring | Level 2 | Cash equivalents |  |
Assets: |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Short-term investments |  |
Assets: |  |
Short-term investments | 109,940,000 | 150,667,000
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other |  |
Assets: |  |
Other assets | 1,570,000 | 82,000
Fair Value, Measurements, Recurring | Level 2 | Long-term investments |  |
Assets: |  |
Long-term investments | 10,014,000 |
Fair Value, Measurements, Recurring | Level 2 | Other long-term assets |  |
Assets: |  |
Other assets | 0 | 82,226,000
Fair Value, Measurements, Recurring | Level 2 | Accrued liabilities and other short-term obligations |  |
Liabilities: |  |
Accrued liabilities and other short-term obligations | 35,000 | 681,000
Fair Value, Measurements, Recurring | Level 2 | Other long-term obligations |  |
Liabilities: |  |
Other long-term obligations | 21,093,000 | 28,513,000
Fair Value, Measurements, Recurring | Level 3 |  |
Assets: |  |
Total assets measured at fair value | 0 | 0
Liabilities: |  |
Total liabilities measured at fair value | 3,705,000 | 0
Contingent consideration | 3,705,000 |
Fair Value, Measurements, Recurring | Level 3 | Cash equivalents |  |
Assets: |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Short-term investments |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other |  |
Assets: |  |
Other assets | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Long-term investments |  |
Assets: |  |
Long-term investments | 0 |
Fair Value, Measurements, Recurring | Level 3 | Other long-term assets |  |
Assets: |  |
Other assets | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Accrued liabilities and other short-term obligations |  |
Liabilities: |  |
Accrued liabilities and other short-term obligations | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Other long-term obligations |  |
Liabilities: |  |
Other long-term obligations | $ 3,705,000 | $ 0

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