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Fair Value Measurements (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2019 | Jul. 31, 2018 | Jul. 31, 2019 | Jul. 31, 2018
Limoneira |  |  |  |
Assets at Fair Value: |  |  |  |
Realized gain (loss) | $ (5,100) |  | $ (8,200) |
Unrealized gains (losses) recorded |  | $ 6,900 |  | $ 6,800
Limoneira | Maximum [Member] |  |  |  |
Assets at Fair Value: |  |  |  |
Non-equity method investment ownership (as a percent) | 10.00% |  | 10.00% |
Fair Value, Measurements, Recurring [Member] |  |  |  |
Assets at Fair Value: |  |  |  |
Total assets at fair value | $ 33,194 |  | $ 33,194 |
Fair Value, Measurements, Recurring [Member] | Limoneira |  |  |  |
Assets at Fair Value: |  |  |  |
Investment in Limoneira Company | 33,194 |  | 33,194 |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] |  |  |  |
Assets at Fair Value: |  |  |  |
Total assets at fair value | 33,194 |  | 33,194 |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Limoneira |  |  |  |
Assets at Fair Value: |  |  |  |
Investment in Limoneira Company | $ 33,194 |  | $ 33,194 |

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