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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Oct. 31, 2020
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:
| Year Ended October 31,
| 2020 |  | 2019
| (in thousands)
Cumulative currency translation adjustments | $ | (57,463 | ) |  | $ | (87,929 | )
Unrealized gain (loss) on derivative instruments, net of taxes | 3,389 |  |  | (4,518 | )
Total accumulated other comprehensive income (loss) | $ | (54,074 | ) |  | $ | (92,447 | )
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:
| Year Ended October 31,
| 2020 |  | 2019 |  | 2018
| (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into consolidated statements of operations: |  |  |  |  |
Gain (loss) on cash flow hedges, net of taxes |  |  |  |  |
Revenues | $ | 530 |  |  | $ | 1,436 |  |  | $ | 1,103 |
Operating expenses | (603 | ) |  | (16,073 | ) |  | 9,785 |
Total reclassifications into net income | $ | (73 | ) |  | $ | (14,637 | ) |  | $ | 10,888 |

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