Segment Information - Sales by Product Category, Net Sales (Details) $ in Thousands	12 Months Ended
Oct. 31, 2017 USD ($) customer	Oct. 31, 2016 USD ($) customer	Oct. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Total gross sales	$ 1,094,607	$ 958,455	$ 874,248
Less sales incentives	(14,544)	(15,773)	(14,004)
Less inter-company eliminations	(4,498)	(7,003)	(3,420)
Net sales	1,075,565	935,679	856,824
Goodwill	18,262	18,262
Avocados [Member]
Segment Reporting Information [Line Items]
Total gross sales	546,433	493,440	471,178
Tomatoes [Member]
Segment Reporting Information [Line Items]
Total gross sales	29,199	36,286	18,681
Papayas [Member]
Segment Reporting Information [Line Items]
Total gross sales	9,402	9,514	9,485
Other fresh products [Member]
Segment Reporting Information [Line Items]
Total gross sales	445	5,600	4,336
Prepared avocado products [Member]
Segment Reporting Information [Line Items]
Total gross sales	85,204	73,009	51,135
Salsa [Member]
Segment Reporting Information [Line Items]
Total gross sales	3,951	3,617	22,736
Fresh-cut fruit & vegetables and prepared foods [Member]
Segment Reporting Information [Line Items]
Total gross sales	419,973	336,989	296,697
Fresh products [Member]
Segment Reporting Information [Line Items]
Total gross sales	585,479	544,840	503,680
Less sales incentives	(1,503)	(1,844)	(1,472)
Less inter-company eliminations	(1,314)	(4,309)	(1,497)
Net sales	582,662	538,687	500,711
Goodwill	3,900
Fresh products [Member] \| Avocados [Member]
Segment Reporting Information [Line Items]
Total gross sales	546,433	493,440	471,178
Fresh products [Member] \| Tomatoes [Member]
Segment Reporting Information [Line Items]
Total gross sales	29,199	36,286	18,681
Fresh products [Member] \| Papayas [Member]
Segment Reporting Information [Line Items]
Total gross sales	9,402	9,514	9,485
Fresh products [Member] \| Other fresh products [Member]
Segment Reporting Information [Line Items]
Total gross sales	445	5,600	4,336
Calavo Foods [Member]
Segment Reporting Information [Line Items]
Total gross sales	89,155	76,626	73,871
Less sales incentives	(11,576)	(10,438)	(9,792)
Less inter-company eliminations	(3,184)	(2,694)	(1,923)
Net sales	74,395	63,494	62,156
Calavo Foods [Member] \| Prepared avocado products [Member]
Segment Reporting Information [Line Items]
Total gross sales	85,204	73,009	51,135
Calavo Foods [Member] \| Salsa [Member]
Segment Reporting Information [Line Items]
Total gross sales	3,951	3,617	22,736
RFG [Member]
Segment Reporting Information [Line Items]
Total gross sales	419,973	336,989	296,697
Less sales incentives	(1,465)	(3,491)	(2,740)
Net sales	$ 418,508	$ 333,498	293,957
Number of customers \| customer	1	1
Goodwill	$ 14,300
RFG [Member] \| Sales revenue [Member] \| Customer concentration [Member] \| Minimum [Member]
Segment Reporting Information [Line Items]
Consolidated revenue (as a percent)	10.00%	10.00%
RFG [Member] \| Fresh-cut fruit & vegetables and prepared foods [Member]
Segment Reporting Information [Line Items]
Total gross sales	$ 419,973	$ 336,989	296,697
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(4,498)	(7,003)	(3,420)
Intersegment Eliminations [Member] \| Fresh products [Member]
Segment Reporting Information [Line Items]
Net sales	(1,314)	(4,309)	(1,497)
Intersegment Eliminations [Member] \| Calavo Foods [Member]
Segment Reporting Information [Line Items]
Net sales	$ (3,184)	$ (2,694)	$ (1,923)

Inter Segment Sales And Cost Of Sales Eliminated In Consolidation

No definition available.

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

- Definition

Represents the number of customers.

+ References

No definition available.

+ Details

Name:	cvgw_NumberOfCustomers
Namespace Prefix:	cvgw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales Incentives

+ References

No definition available.

+ Details

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

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalesRevenueNet
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_ProductOrServiceAxis=cvgw_AvocadosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_TomatoesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_PapayasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_OtherFreshProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_PreparedAvocadoProductMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_SalsaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=cvgw_ValueAddedFruitsAndVegetablesAndPreparedFoodsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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