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Related-Party Transactions (Details) $ in Thousands		1 Months Ended		2 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended	18 Months Ended
Related-Party Transactions (Details) $ in Thousands	Jul. 31, 2018 USD ($)	Dec. 15, 2018	Jan. 31, 2018 USD ($) director	Jan. 31, 2019	Apr. 30, 2019 USD ($)	Jan. 31, 2019 USD ($)	Oct. 31, 2018 USD ($)	Apr. 30, 2018 USD ($) director	Apr. 30, 2019 USD ($) item director	Apr. 30, 2018 USD ($)	Oct. 31, 2018 USD ($)	Apr. 30, 2019 USD ($)	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Investment in unconsolidated entities					$ 15,370		$ 24,805		$ 15,370		$ 24,805	$ 15,370
Related party advance, noncurrent					2,600		2,600		2,600		2,600	2,600
Additional loan									14,700
Loans to FreshRealm					24,680				24,680			24,680
Prepaid expenses and other current assets					7,878		16,727		7,878		16,727	7,878
Noncash transfer of noncontrolling interest										$ 1,001
FreshRealm [Member]
Related Party Transaction [Line Items]
Investment in unconsolidated entities					10,300		19,900		10,300		19,900	10,300
Loans to FreshRealm					$ 24,700		9,000		$ 24,700		9,000	$ 24,700
Prepaid expenses and other current assets							9,000				9,000
Loan receivable interest rate (as a percent)					10.00%				10.00%			10.00%
Interest receivable					$ 1,000				$ 1,000			$ 1,000
Investment in unconsolidated entities	$ 3,500
Subscription agreements issued to third-party investors	3,500
Number of officers \| item									3
Number of board of directors \| director									5
Loans to FreshRealm members					200		300		$ 200		$ 300	200
Revenue from related parties					$ 100			$ 100	$ 200	200
FreshRealm [Member] \| FreshRealm [Member]
Related Party Transaction [Line Items]
VIE ownership (as a percent)		100.00%		37.00%	37.00%				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
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					$ 300			$ 2,400	$ 1,900	3,900
FreshRealm [Member] \| NMUPA
Related Party Transaction [Line Items]
Additional loan						$ 3,000	9,000
Loan receivable commitment	$ 12,000
FreshRealm [Member] \| $7.5 million Note
Related Party Transaction [Line Items]
Additional loan						$ 7,500
FreshRealm [Member] \| Unsecured Notes Receivable
Related Party Transaction [Line Items]
Additional loan					4,200
Directors
Related Party Transaction [Line Items]
Purchases from related parties					2,100			1,900	2,100	2,000
Accounts payable to related parties					2,000				2,000			2,000
Limoneira [Member]
Related Party Transaction [Line Items]
Dividend income from Limoneira									100	100		$ 200
Rent paid					$ 100			100	$ 100	100
Limoneira [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Non-equity method investment ownership (as a percent)					10.00%				10.00%			10.00%
TroyGould PC \| Maximum [Member]
Related Party Transaction [Line Items]
Legal fees					$ 100			100	$ 200	100
Don Memo
Related Party Transaction [Line Items]
Purchases from related parties					200				5,900	3,800	$ 100
Investment in unconsolidated entities					$ 5,000		5,200		$ 5,000		5,200	$ 5,000
Ownership interest					50.00%				50.00%			50.00%
Advances to supplier					$ 2,800		2,500		$ 2,800		2,500	$ 2,800
Agricola Belher [Member]
Related Party Transaction [Line Items]
Purchases from related parties					12,400			6,700	17,600	12,600
Advances to supplier					4,000		4,000		4,000		4,000	4,000
Related party advance					3,400		3,400		3,400		3,400	3,400
Related party advance, current					800		800		800		800	800
Related party advance, noncurrent					2,600		2,600		2,600		2,600	2,600
Avocados de Jalisco
Related Party Transaction [Line Items]
Purchases from related parties					1,000				2,000	200
Advances to supplier					$ 100		$ 100		$ 100		$ 100	$ 100
Noncash transfer of noncontrolling interest			$ 1,000							1,001
Avocados de Jalisco \| Avocados de Jalisco
Related Party Transaction [Line Items]
Subsidiary ownership (as a percent)					83.00%				83.00%			83.00%
LIG [Member]
Related Party Transaction [Line Items]
Rent paid					$ 122			139	$ 261	278
THNC [Member]
Related Party Transaction [Line Items]
Rent paid					$ 198			$ 199	$ 397	$ 398