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Industry Segment Operations - Percentage for Semiconductor Systems by End User (Details) - Revenue - Product Concentration Risk - Semiconductor Systems | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 28, 2024 | Apr. 30, 2023 | Apr. 28, 2024 | Apr. 30, 2023
Concentration Risk [Line Items] |  |  |  |
Percentage of net revenue | 100.00% | 100.00% | 100.00% | 100.00%
Foundry, logic and other |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Percentage of net revenue | 65.00% | 84.00% | 63.00% | 81.00%
Dynamic random-access memory (DRAM) |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Percentage of net revenue | 32.00% | 11.00% | 33.00% | 12.00%
Flash memory |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Percentage of net revenue | 3.00% | 5.00% | 4.00% | 7.00%

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