Segment Information - Sales by Product Category, Before Intercompany Eliminations (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 1,088,758	$ 1,075,565	$ 935,679
Cost of sales	975,142	961,021	828,145
Gross profit	113,616	114,544	107,534
Operating segments
Segment Reporting Information [Line Items]
Net sales	1,093,784	1,080,063	942,682
Cost of sales	980,168	965,519	835,148
Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	(5,026)	(4,498)	(7,003)
Cost of sales	(5,026)	(4,498)	(7,003)
Fresh products [Member]
Segment Reporting Information [Line Items]
Net sales	551,654	582,662	538,687
Cost of sales	497,494	510,286	480,690
Gross profit	54,160	72,376	57,997
Fresh products [Member] \| Operating segments
Segment Reporting Information [Line Items]
Net sales	553,208	583,976	542,996
Cost of sales	498,962	511,410	484,982
Fresh products [Member] \| Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	(1,554)	(1,314)	(4,309)
Cost of sales	(1,468)	(1,124)	(4,292)
Calavo Foods [Member]
Segment Reporting Information [Line Items]
Net sales	88,174	74,395	63,494
Cost of sales	61,861	61,042	41,046
Gross profit	26,313	13,353	22,448
Calavo Foods [Member] \| Operating segments
Segment Reporting Information [Line Items]
Net sales	91,646	77,579	66,188
Cost of sales	64,221	63,751	42,829
Calavo Foods [Member] \| Intercompany eliminations
Segment Reporting Information [Line Items]
Net sales	(3,472)	(3,184)	(2,694)
Cost of sales	(2,360)	(2,709)	(1,783)
RFG [Member]
Segment Reporting Information [Line Items]
Net sales	448,930	418,508	333,498
Cost of sales	415,787	389,693	306,409
Gross profit	33,143	28,815	27,089
RFG [Member] \| Operating segments
Segment Reporting Information [Line Items]
Net sales	448,930	418,508	333,498
Cost of sales	416,985	390,358	307,337
RFG [Member] \| Intercompany eliminations
Segment Reporting Information [Line Items]
Cost of sales	$ (1,198)	$ (665)	$ (928)

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.

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 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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

+ Details

Name:	us-gaap_GrossProfit
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_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
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:

- 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: