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Other (Expense) Income, Net (Details) - Schedule of other (expense) income, net - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2021 | Jan. 31, 2020
Schedule of other (expense) income, net [Abstract] |  |  |  |
Foreign currency transaction gains | $ 1,893 | $ 278 | $ 1,466 | $ 949
Write-off of tax assets related to prior periods |  | (139) |  | (613)
Gain on investments | 1,307 | 383 | 387 | 409
Other | (30) | 28 | (61) | 40
Total other income, net | $ 3,170 | $ 550 | $ 1,792 | $ 785

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- Definition Write-off of tax assets related to prior periods. + References No definition available. + Details
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- Definition Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894 + Details
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