Income Taxes (Details) - USD ($)	3 Months Ended	9 Months Ended
Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Jul. 31, 2023
Income Tax Disclosure [Abstract]
Effective tax rate	208.10%	28.20%	(7.50%)	13.90%
Discrete tax expense (benefit)	$ 802,000	$ (1,203,000)	$ 961,000	$ (1,193,000)
Effective tax rate, excluding discrete items			2.00%	14.25%
Unrecognized tax benefits, including interest	8,427,000		$ 8,427,000		$ 9,166,000
Interest accrued relating to income taxes	163,000		163,000		$ 210,000
Decrease in gross unrecognized tax benefits that is reasonably possible	$ 521,000		$ 521,000

Effective Income Tax Rate Reconciliation, Percent, Excluding Discrete Items

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- Definition

Income Tax Expense (Benefit), Discrete

+ References

No definition available.

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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.

+ References

No definition available.

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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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- References

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- Definition

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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