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v3.19.3.a.u2

Fair Value Measurements (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Assets at Fair Value: |  |  |
Unrealized investment gain |  | $ 2,247 | $ 6,326
Limoneira [Member] |  |  |
Assets at Fair Value: |  |  |
Limoneira's stock price | $ 18.92 | $ 24.65 | $ 23.35
Limoneira [Member] |  |  |
Assets at Fair Value: |  |  |
Number of securities sold | 51,271 |  |
Loss on sale of investments | $ 100 |  |
Investment shares held (in shares) | 1,677,299 |  |
Unrealized gains (losses) recorded | $ 9,600 | $ 2,200 | $ 6,300
Unrealized investment gain |  | $ 1,700 | $ 3,900
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 | $ 31,734 |  |
Fair Value, Measurements, Recurring [Member] | Limoneira [Member] |  |  |
Assets at Fair Value: |  |  |
Investment in Limoneira Company | 31,734 |  |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] |  |  |
Assets at Fair Value: |  |  |
Total assets at fair value | 31,734 |  |
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Limoneira [Member] |  |  |
Assets at Fair Value: |  |  |
Investment in Limoneira Company | $ 31,734 |  |

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