Basis of Presentation and Significant Accounting Policies - Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Basis of Presentation and Significant Accounting Policies
Net income (loss) attributable to Calavo Growers, Inc.	$ (11,818)	$ (13,625)	$ 36,646
Weighted average shares - Basic	17,621	17,564	17,519
Effect of dilutive securities - Restricted stock/options			74
Weighted average shares - Diluted	17,621	17,564	17,593
Basic	$ (0.67)	$ (0.78)	$ 2.09
Diluted	$ (0.67)	$ (0.78)	$ 2.08