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Leases (Narrative) (Details) - USD ($) | 12 Months Ended
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Jul. 31, 2023 | Jul. 31, 2022
Lessee, Lease, Description [Line Items] |  |
Annual rent | $ 9,478,000 |
Executive Chairman |  |
Lessee, Lease, Description [Line Items] |  |
Annual rent | 691,000 |
Melville, New York | Executive Chairman |  |
Lessee, Lease, Description [Line Items] |  |
Related party lease payments made | $ 688,000 | $ 675,000

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Details
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