For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

Revenue Recognition (Sales by Geography and Customer Type) (Details) - Net sales	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Geographic Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Geographic Concentration Risk \| U.S. government
Concentration Risk [Line Items]
Concentration risk, percentage	34.40%	29.10%	33.80%	30.30%
Geographic Concentration Risk \| Domestic
Concentration Risk [Line Items]
Concentration risk, percentage	48.10%	43.80%	43.50%	45.70%
Geographic Concentration Risk \| Total United States
Concentration Risk [Line Items]
Concentration risk, percentage	82.50%	72.90%	77.30%	76.00%
Geographic Concentration Risk \| International
Concentration Risk [Line Items]
Concentration risk, percentage	17.50%	27.10%	22.70%	24.00%
Customer Concentration Risk \| Verizon Communications Inc.
Concentration Risk [Line Items]
Concentration risk, percentage				11.20%