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Related-Party Transactions (Details) $ in Thousands		1 Months Ended	2 Months Ended	3 Months Ended			12 Months Ended
Related-Party Transactions (Details) $ in Thousands	Jul. 31, 2018 USD ($)	Jan. 31, 2018 USD ($) director	Jan. 31, 2019 USD ($)	Jan. 31, 2019 USD ($) item director	Apr. 30, 2018 USD ($) director	Jan. 31, 2018 USD ($)	Oct. 31, 2018 USD ($)	Apr. 30, 2019 USD ($)	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)	Jan. 31, 2016 USD ($)
Related Party Transaction [Line Items]
Investment in unconsolidated entities			$ 18,507	$ 18,507			$ 24,805
Related party note receivable, non-current			2,600	2,600			2,600
Noncash transfer of noncontrolling interest						$ 1,001
Loans to FreshRealm			19,942	19,942
FreshRealm [Member]
Related Party Transaction [Line Items]
Investment in unconsolidated entities			13,100	13,100			19,900
Investment in unconsolidated entities	$ 3,500
Subscription agreements issued to third-party investors	3,500
Loans to FreshRealm			19,900	$ 19,900			9,000
Number of officers \| item				3
Number of board of directors \| director				5
Loans to FreshRealm members			$ 200	$ 200			300
Revenue from related parties				$ 100		100
FreshRealm [Member] \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Loans to FreshRealm								$ 1,500
FreshRealm [Member] \| FreshRealm [Member]
Related Party Transaction [Line Items]
VIE ownership (as a percent)			37.00%	37.00%
FreshRealm [Member] \| Chairman and Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Investment in unconsolidated entities									$ 1,500	$ 7,000
FreshRealm [Member] \| Non Executive Directors [Member]
Related Party Transaction [Line Items]
Investment in unconsolidated entities		$ 1,800				1,800
Investment in unconsolidated entities					$ 1,200
Number of board of directors \| director		1			2
FreshRealm [Member] \| RFG [Member]
Related Party Transaction [Line Items]
Revenue from related parties				$ 1,600		1,500
FreshRealm [Member] \| NMUPA
Related Party Transaction [Line Items]
Loan receivable commitment	$ 12,000
Loans to FreshRealm			$ 3,000	3,000			9,000
FreshRealm [Member] \| $7.5 million Note
Related Party Transaction [Line Items]
Loans to FreshRealm			$ 7,500	7,500
Directors
Related Party Transaction [Line Items]
Purchases from related parties						100
Limoneira [Member]
Related Party Transaction [Line Items]
Dividend income from Limoneira				100		100
Rent paid				$ 100		100
Limoneira [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Non-equity method investment ownership (as a percent)			10.00%	10.00%
TroyGould PC
Related Party Transaction [Line Items]
Legal fees				$ 100		100
Don Memo
Related Party Transaction [Line Items]
Purchases from related parties				5,700			3,700
Investment in unconsolidated entities			$ 5,400	$ 5,400			5,200
Ownership interest			50.00%	50.00%
Advances to supplier			$ 2,000	$ 2,000			2,500
Don Memo \| Don Memo
Related Party Transaction [Line Items]
Debt amount											$ 4,500
Agricola Belher [Member]
Related Party Transaction [Line Items]
Purchases from related parties				5,300		5,900
Advances to supplier			4,000	4,000			4,000
Related party note receivable			3,400	3,400			3,400
Related party note receivable, current			800	800			800
Related party note receivable, non-current			2,600	2,600			2,600
Avocados de Jalisco
Related Party Transaction [Line Items]
Purchases from related parties				1,000		200
Advances to supplier			$ 100	$ 100			$ 100
Noncash transfer of noncontrolling interest		$ 1,000
Avocados de Jalisco \| Avocados de Jalisco
Related Party Transaction [Line Items]
Subsidiary ownership (as a percent)			83.00%	83.00%
LIG [Member]
Related Party Transaction [Line Items]
Rent paid				$ 139		139
THNC [Member]
Related Party Transaction [Line Items]
Rent paid				$ 198		$ 199