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REVENUE - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2021 | Aug. 01, 2020 | Jul. 31, 2021 | Aug. 01, 2020 | Oct. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue | $ 988,141 | $ 976,712 | $ 2,579,198 | $ 2,703,677 |
Revenue recognized that was previously deferred |  |  | 94,700 | 91,800 |
Capitalized contract acquisition costs | 20,400 |  | 20,400 |  | $ 15,300
Amortization of capitalized contract acquisition costs |  |  | 16,800 | 16,200 |
United States |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue | $ 623,900 | $ 647,000 | $ 1,600,000 | $ 1,800,000 |

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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