Fair Value Measurements - Financial Assets and Liabilities Measured on Recurring and Non-Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] $ in Thousands	Oct. 31, 2015 USD ($)
Assets at Fair Value:
Total assets at fair value	$ 27,415
Limoneira
Assets at Fair Value:
Total assets at fair value	27,415
Level 1 [Member]
Assets at Fair Value:
Total assets at fair value	27,415
Level 1 [Member] | Limoneira
Assets at Fair Value:
Total assets at fair value	$ 27,415