Income Taxes (Details) - USD ($)	3 Months Ended	6 Months Ended
Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024	Jul. 31, 2024
Income Tax Disclosure [Abstract]
Effective tax rate	1.90%	(230.60%)	(0.60%)	(100.80%)
Discrete tax expense (benefit)	$ (76,000)	$ 286,000	$ (184,000)	$ 1,762,000
Effective tax rate, excluding discrete items	(1.70%)	(52.00%)	(1.70%)	(52.00%)
Unrecognized tax benefits, including interest	$ 8,742,000		$ 8,742,000		$ 8,605,000
Interest accrued relating to income taxes	303,000		303,000		$ 224,000
Decrease in gross unrecognized tax benefits that is reasonably possible	$ 512,000		$ 512,000

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/otherTransitionRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-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

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
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-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
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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
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-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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