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Basis of Presentation and Significant Accounting Policies - Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Oct. 31, 2019
Oct. 31, 2018
Significant Accounting Policies [Line Items]    
Non-trade receivables $ 5.3 $ 4.9
Mexican IVA 1.9 1.5
Prepaid expenses 3.4 2.8
FreshRealm [Member]    
Significant Accounting Policies [Line Items]    
Notes receivable, current $ 9.0 $ 9.0