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Basis of Presentation and Significant Accounting Policies - Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2016
Jul. 31, 2015
Belo        
Schedule of Equity Method Investments [Line Items]        
Ownership interest     50.00% 50.00%
Agricola Don Memo        
Schedule of Equity Method Investments [Line Items]        
Investment in unconsolidated entities $ 0.8 $ 3.2