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Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Apr. 30, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Components of accumulated other comprehensive income (loss), on an after-tax basis where applicable, were as follows:
| April 30, 2018 |  | October 31, 2017
| (in thousands)
Cumulative currency translation adjustments | $ | (60,449 | ) |  | $ | (70,407 | )
Unrealized gain (loss) on derivative instruments, net of taxes | (1,940 | ) |  | 4,428 |
Total accumulated other comprehensive income (loss) | $ | (62,389 | ) |  | $ | (65,979 | )
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,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into unaudited condensed consolidated statement of operations: |  |  |  |  |  |  |
Gain (loss) on cash flow hedges, net of taxes |  |  |  |  |  |  |
Revenues | $ | (169 | ) |  | $ | (428 | ) |  | $ | 1,498 |  |  | $ | (2,181 | )
Operating expenses | 5,711 |  |  | (1,310 | ) |  | 9,350 |  |  | (3,412 | )
Gain (loss) on available-for-sale securities |  |  |  |  |  |  |
Other income (expense) | — |  |  | — |  |  | — |  |  | 1 |
Total reclassifications into net income | $ | 5,542 |  |  | $ | (1,738 | ) |  | $ | 10,848 |  |  | $ | (5,592 | )

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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