Income Taxes - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Dec. 22, 2017	Jan. 31, 2018
Income Tax Disclosure [Abstract]
Non-cash charges related to the revaluation of our net deferred tax assets and the transition tax on the deemed repatriation of foreign earnings		$ 1.7
Revaluation of net deferred tax assets		1.4
Transition tax on deemed repatriation of foreign earnings		$ 0.3
Estimated income tax charge	$ 1.7

Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.

No definition available.

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