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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Apr. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) | The components of accumulated other comprehensive income (loss), on an after-tax basis where applicable, were as follows:
| As of
| April 30, 2022 |  | October 31, 2021
| (in thousands)
Cumulative currency translation adjustments | $ | (88,659) |  |  | $ | (48,047) |
Unrealized gains (losses) on derivative instruments, net of taxes | (22,521) |  |  | (1,311) |
Unrealized gains (losses) on available-for-sale securities, net of taxes | (1,919) |  |  | (246) |
Total | $ | (113,099) |  |  | $ | (49,604) |
Effect of Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Income (Loss) into Net Income | The effect of amounts reclassified out of each component of accumulated other comprehensive income (loss) into net income was as follows:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into unaudited condensed consolidated statements of income: |  |  |  |  |  |  |
Gains (losses) on cash flow hedges, net of taxes |  |  |  |  |  |  |
Revenues | $ | 229 |  |  | $ | 921 |  |  | $ | (342) |  |  | $ | 1,034 |
Operating expenses | (891) |  |  | 3,702 |  |  | (1,165) |  |  | 6,316 |
Total | $ | (662) |  |  | $ | 4,623 |  |  | $ | (1,507) |  |  | $ | 7,350 |

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