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Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023	Jul. 31, 2023
Income Tax Disclosure [Abstract]
Effective tax rate	(230.60%)	4.40%	(100.80%)	5.00%
Discrete tax expense (benefit)	$ (286,000)	$ 122,000	$ 1,762,000
Effective tax rate, excluding discrete items			(52.00%)	11.00%
Unrecognized tax benefits, including interest	9,115,000		$ 9,115,000		$ 9,166,000
Interest accrued relating to income taxes	286,000		286,000		$ 210,000
Decrease in gross unrecognized tax benefits that is reasonably possible	$ 610,000		$ 610,000

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- Definition

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Income Tax Expense (Benefit), Discrete

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns, including interest accrued for an underpayment of income taxes.

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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-15

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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Amount of interest expense accrued for an underpayment of income taxes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-15

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