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Basis of Presentation and Significant Accounting Policies - Investments (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 31, 2017 | Jul. 31, 2015
Schedule of Equity Method Investments [Line Items] |  |
Investment in unconsolidated entities | $ 500 |
Belo |  |
Schedule of Equity Method Investments [Line Items] |  |
Ownership interest | 50.00% | 50.00%

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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