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Sale of Interest in Fabrix Systems Ltd. (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 08, 2014 | Apr. 30, 2016 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015 | Oct. 31, 2015
Sale of Interest in Fabrix Systems Ltd. (Textual) |  |  |  |  |  |
Gain on sale of interest in Fabrix Systems, Ltd. |  | $ 1,100 |  | $ 1,086 | $ 76,864 |
Fabrix Subsidiary [Member] |  |  |  |  |  |
Sale of Interest in Fabrix Systems Ltd. (Textual) |  |  |  |  |  |
Sale of stock to Ericsson in percentage | 100.00% |  |  |  |  |
Common stock sold to Ericsson | $ 95,000 |  |  |  |  |
Company owns in Fabrix in percentage | 78.00% |  |  |  |  |
Proceeds from divestiture of interest in consolidated subsidiaries | $ 69,200 |  |  |  |  |
Escrow deposit | $ 13,000 |  |  |  |  |
Escrow deposit disbursement |  | $ 6,500 |  |  |  | $ 6,500
Gain on sale of interest in Fabrix Systems, Ltd. |  |  |  | $ 1,100 | $ 76,900 |

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- Definition Minority interest combined ownership percentage by parent and non controlling interests. + References No definition available. + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (13)(g) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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