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Fair Value Measurements - Financial Assets and Liabilities Measured on Recurring and Non-Recurring Basis (Detail) - USD ($)
$ in Thousands
Jul. 31, 2015
Jun. 30, 2015
Oct. 31, 2014
Assets at Fair Value:      
Additional investment in unconsolidated entities $ 19,760   $ 18,380
FreshRealm [Member]      
Assets at Fair Value:      
Additional investment in unconsolidated entities   $ 800  
Fair Value, Measurements, Recurring [Member]      
Assets at Fair Value:      
Total assets at fair value 35,591    
Fair Value, Measurements, Recurring [Member] | Limoneira [Member]      
Assets at Fair Value:      
Total assets at fair value 35,591    
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]      
Assets at Fair Value:      
Total assets at fair value 35,591    
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Limoneira [Member]      
Assets at Fair Value:      
Total assets at fair value 35,591    
Fair Value, Measurements, Non-recurring [Member]      
Assets at Fair Value:      
Total assets at fair value 17,760    
Fair Value, Measurements, Non-recurring [Member] | FreshRealm [Member]      
Assets at Fair Value:      
Total assets at fair value 17,760    
Fair Value, Measurements, Non-recurring [Member] | Level 3 [Member]      
Assets at Fair Value:      
Total assets at fair value 17,760    
Fair Value, Measurements, Non-recurring [Member] | Level 3 [Member] | FreshRealm [Member]      
Assets at Fair Value:      
Total assets at fair value $ 17,760