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Derivative Instruments (Details) - Schedule of fair value of outstanding derivative instruments - USD ($) $ in Thousands | 12 Months Ended |
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Jul. 31, 2021 | Jul. 31, 2020
Foreign exchange forward contracts [Member] |  |
Derivatives not designated or not qualifying as hedging instruments |  |
Balance Sheet Location | Other current assets |
Foreign exchange forward contracts |  | $ 10
Foreign exchange forward contracts One [Member] |  |
Derivatives not designated or not qualifying as hedging instruments |  |
Balance Sheet Location | Accrued expenses and other current liabilities |
Foreign exchange forward contracts | $ 54 |

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- Definition Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition Description of where the foreign currency derivatives are reported in the balance sheet. + References No definition available. + Details
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- Details
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- Details
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