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Fair Value Measurements (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jan. 31, 2019 | Jan. 31, 2018
Assets at Fair Value: |  |
Unrealized and realized net loss on Limoneira shares | $ (4,505) |
Limoneira [Member] |  |
Assets at Fair Value: |  |
Unrealized and realized net loss on Limoneira shares | (4,500) |
Unrealized gains (losses) recorded | $ (4,400) | $ (3,100)
Limoneira [Member] | Maximum [Member] |  |
Assets at Fair Value: |  |
Non-equity method investment ownership (as a percent) | 10.00% |
Fair Value, Measurements, Recurring [Member] |  |
Assets at Fair Value: |  |
Total assets at fair value | $ 36,951 |
Fair Value, Measurements, Recurring [Member] | Limoneira [Member] |  |
Assets at Fair Value: |  |
Investment in Limoneira Company | 36,951 |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] |  |
Assets at Fair Value: |  |
Total assets at fair value | 36,951 |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Limoneira [Member] |  |
Assets at Fair Value: |  |
Investment in Limoneira Company | $ 36,951 |

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