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Summary of Significant Accounting Policies - Summary of the Changes in Other Comprehensive (Loss) Income by Component (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Available-for-sale securities: |  |  |
Amounts reclassified to earnings included in "Selling, general and administrative" | $ 0 | $ 0 | $ (2,965)
Derivative instruments: |  |  |
Other comprehensive (loss) income | (323) | (1,749) | 1,889
Accumulated Other Comprehensive Income |  |  |
Pre-tax Amount |  |  |
Foreign currency translation adjustments | (707) | (1,103) | (1,255)
Minimum pension liability adjustments: |  |  |
Other comprehensive (loss) gain before reclassifications | 205 | (859) | 1,552
Available-for-sale securities: |  |  |
Other comprehensive (loss) gain before reclassifications | 0 | 0 | 6,765
Amounts reclassified to earnings included in "Selling, general and administrative" | 0 | 0 | (4,125)
Derivative instruments: |  |  |
Other comprehensive gain before reclassifications | 0 | 0 | 242
Other comprehensive (loss) income | (502) | (1,962) | 3,179
Tax (Expense) Benefit |  |  |
Foreign currency translation adjustments | 0 | 0 | 0
Minimum pension liability adjustments: |  |  |
Other comprehensive (loss) gain before reclassifications | 69 | 252 | (415)
Available-for-sale securities: |  |  |
Other comprehensive (loss) gain before reclassifications | 0 | 0 | (1,956)
Amounts reclassified to earnings included in "Selling, general and administrative" | 140 | 0 | 1,160
Derivative instruments: |  |  |
Other comprehensive gain before reclassifications | 0 | 0 | (79)
Other comprehensive (loss) income | 209 | 252 | (1,290)
Net Amount |  |  |
Foreign currency translation adjustments | (707) | (1,103) | (1,255)
Minimum pension liability adjustments: |  |  |
Other comprehensive (loss) gain before reclassifications | 274 | (607) | 1,137
Available-for-sale securities: |  |  |
Other comprehensive (loss) gain before reclassifications | 0 | 0 | 4,809
Amounts reclassified to earnings included in "Selling, general and administrative" | 140 | 0 | (2,965)
Derivative instruments: |  |  |
Other comprehensive gain before reclassifications | 0 | 0 | 163
Other comprehensive (loss) income | $ (293) | $ (1,710) | $ 1,889

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