Segment Information - Gross Profit (Details) $ in Thousands	12 Months Ended
Oct. 31, 2019 USD ($) segment	Oct. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)
Segment reporting information
Number of reportable segments \| segment	3
Net sales	$ 1,195,777	$ 1,088,758	$ 1,075,565
Cost of sales	1,067,695	975,142	961,021
Gross profit	128,082	113,616	114,544
Fresh products [Member]
Segment reporting information
Net sales	618,937	551,654	582,662
Cost of sales	532,587	497,494	510,286
Gross profit	86,350	54,160	72,376
Calavo Foods [Member]
Segment reporting information
Net sales	90,777	88,174	74,395
Cost of sales	70,613	61,861	61,042
Gross profit	20,164	26,313	13,353
RFG [Member]
Segment reporting information
Net sales	486,063	448,930	418,508
Cost of sales	464,495	415,787	389,693
Gross profit	21,568	33,143	28,815
Elimination between Fresh products and RFG [member]
Segment reporting information
Sales and Cost of Sales Eliminated	1,800	1,600	1,300
Elimination between Calavo Foods and RFG [member]
Segment reporting information
Sales and Cost of Sales Eliminated	4,000	3,500	3,200
Elimination between Fresh products and Calavo Foods [member]
Segment reporting information
Sales and Cost of Sales Eliminated	500	400
Operating segments
Segment reporting information
Revenue less sales incentives	1,201,980	1,093,784	1,080,063
Cost of sales	1,073,898	980,168	965,519
Operating segments \| Fresh products [Member]
Segment reporting information
Revenue less sales incentives	621,183	553,208	583,976
Cost of sales	534,600	498,962	511,410
Operating segments \| Calavo Foods [Member]
Segment reporting information
Revenue less sales incentives	94,734	91,646	77,579
Cost of sales	73,735	64,221	63,751
Operating segments \| RFG [Member]
Segment reporting information
Revenue less sales incentives	486,063	448,930	418,508
Cost of sales	465,563	416,985	390,358
Intersegment Eliminations [Member]
Segment reporting information
Net sales	(6,203)	(5,026)	(4,498)
Cost of sales	(6,203)	(5,026)	(4,498)
Intersegment Eliminations [Member] \| Fresh products [Member]
Segment reporting information
Net sales	(2,246)	(1,554)	(1,314)
Cost of sales	(2,013)	(1,468)	(1,124)
Intersegment Eliminations [Member] \| Calavo Foods [Member]
Segment reporting information
Net sales	(3,957)	(3,472)	(3,184)
Cost of sales	(3,122)	(2,360)	(2,709)
Intersegment Eliminations [Member] \| RFG [Member]
Segment reporting information
Cost of sales	$ (1,068)	$ (1,198)	$ (665)

Revenue less sales incentives.

No definition available.

Name:	cvgw_RevenueLessSalesIncentives
Namespace Prefix:	cvgw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sales and Cost of Sales Eliminated

+ References

No definition available.

+ Details

Name:	cvgw_SalesAndCostOfSalesEliminated
Namespace Prefix:	cvgw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

Name:	us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

Name:	us-gaap_GrossProfit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_FreshProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_CalavoFoodsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_RfgMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_IntersegmentElimination1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_IntersegmentElimination2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=cvgw_IntersegmentElimination3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: