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Fair Value Measurements (Details) - Schedule of liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2021 | Jan. 31, 2020
Schedule of liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) [Abstract] |  |  |  |
Balance, beginning of period | $ 391 |  | $ 396 |
Transfer into Level 3 from acquisitions (see Note 9) | 393 | 375 | 393 | 375
Total loss (gain) included in “Foreign currency translation adjustment” | 15 | (5) | 10 | (5)
Balance, end of period | 799 | 370 | 799 | 370
Change in unrealized gains or losses for the period included in earnings for liabilities held at the end of the period |  |  |  |

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- Definition Amount of change in unrealized gains or losses included in earnings for liabilities held at end of period. + References No definition available. + Details
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- Definition Amount of fair value measurement with unobservable inputs reconciliation recurring basis liabilities transfers into level three from acquisition. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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