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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Jan. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) | Components of accumulated other comprehensive income (loss), on an after-tax basis where applicable, were as follows:
| As of
| January 31, 2021 |  | October 31, 2020
| (in thousands)
Cumulative currency translation adjustments | $ | (39,531) |  |  | $ | (57,463) |
Unrealized gain (loss) on derivative instruments, net of taxes | 4,756 |  |  | 3,389 |
Total accumulated other comprehensive income (loss) | $ | (34,775) |  |  | $ | (54,074) |
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 January 31, |  |
| 2021 |  | 2020 |  |  |  |
| (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into unaudited condensed consolidated statements of operations: |  |  |  |  |  |  |
Gain (loss) on cash flow hedges, net of taxes |  |  |  |  |  |  |
Revenues | $ | 113 |  |  | $ | (89) |  |  |  |  |
Operating expenses | 2,613 |  |  | (433) |  |  |  |  |
Total reclassifications into net income | $ | 2,726 |  |  | $ | (522) |  |  |  |  |

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