XML 51 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Basis of Presentation and Significant Accounting Policies - Investments (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Jul. 31, 2015
Schedule of Equity Method Investments [Line Items]      
Investment in unconsolidated entities $ 136 $ 500  
Belo      
Schedule of Equity Method Investments [Line Items]      
Ownership interest 50.00%   50.00%