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Related-Party Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014	Oct. 31, 2014
Related Party Transaction [Line Items]
Accounts payable to related parties	$ 2.1		$ 2.1
Sales	9.6us-gaap_RevenueFromRelatedParties	12.6us-gaap_RevenueFromRelatedParties	15.7us-gaap_RevenueFromRelatedParties	19.1us-gaap_RevenueFromRelatedParties
Bridge Loan [Member]
Related Party Transaction [Line Items]
Advances to related party	5.8		5.8
Director [Member]
Related Party Transaction [Line Items]
Accounts payable to related parties	3.2		3.2		0.6
Limoneira [Member]
Related Party Transaction [Line Items]
Dividend income from Limoneira	0.1	0.1	0.1	0.1
Rent paid	0.1	0.1	0.1	0.1
LIG [Member]
Related Party Transaction [Line Items]
Rent paid	0.1	0.1	0.3	0.3
THNC [Member]
Related Party Transaction [Line Items]
Rent paid	0.1	0.1	0.2	0.2
Third Coast [Member]
Related Party Transaction [Line Items]
Aggregate amount of avocados procured from entities owned or controlled by members of our Board of Directors			0.1	0.1
Sales	0.1	0.3	0.2	0.5
Amounts due from Third Coast	0.3		0.3		0.4
Third Coast [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Aggregate amount of avocados procured from entities owned or controlled by members of our Board of Directors	0.1	0.1
Accounts payable to related parties	0.1		0.1		0.1
Agricola Belher [Member]
Related Party Transaction [Line Items]
Advances to related party					3.0
Agricola Belher [Member] \| Infrastructure [Member]
Related Party Transaction [Line Items]
Advances to related party	1.7		1.7		2.5
Agricola Belher [Member] \| Infrastructure [Member] \| Prepaid Expenses and Other Current Assets [Member]
Related Party Transaction [Line Items]
Advances to related party	0.8		0.8
Avocados [Member] \| Director [Member]
Related Party Transaction [Line Items]
Aggregate amount of avocados procured from entities owned or controlled by members of our Board of Directors	$ 5.7	$ 0.8	$ 6.3	$ 1.2