Schedule of Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Fair Value Disclosures [Abstract]
Balance, beginning of period	$ 799	$ 370	$ 396
Transfer into Level 3 from acquisitions (see Note 9)			393	375
Total (gains) losses included in "Foreign currency translation adjustment"	(4)	(5)	6	(10)
Balance, end of period	795	365	795	365
Change in unrealized gains or losses for the period included in earnings for liabilities held at the end of the period

Amount of change in unrealized gains or losses included in earnings for liabilities held at end of period.

No definition available.

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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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- 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

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