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Other Operating Losses, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015
Summary of other operating expenses |  |  |
Corporate -loss related to legal settlement and mutual release | $ (10,436) |  |
Telecom Platform Services- loss on disposal of property, plant and equipment |  | (326) |
Corporate-gain (losses) related to legal matters | 24 |  | (1,552)
TOTAL | $ (10,412) | $ (326) | $ (1,552)

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- Definition Corporate loss related to settlement. + References No definition available. + Details
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- Definition Loss contingency Loss in period including legal fees other general expense. + References No definition available. + Details
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- Definition Other aggregate amounts of gains or losses resulting from operating activities not otherwise defined. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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