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Revenue Recognition (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2025 | Jan. 31, 2024 | Jul. 31, 2024 | Jul. 31, 2023
Concentration Risk [Line Items] |  |  |  |  |  |
Unbilled receivables, not billable | $ 18,993,000 |  | $ 18,993,000 |  |  |
Capitalized contract cost, impairment loss | 0 | $ 0 |  |  |  |
Contract liabilities | 65,616,000 |  | 65,616,000 |  | $ 65,834,000 | $ 66,351,000
Revenue recognized |  |  | 39,348,000 | $ 30,057,000 |  |
Capitalized contract cost, amortization | 789,000 | $ 769,000 | 1,954,000 | $ 1,252,000 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-05-01 |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Remaining performance obligations, amount | $ 763,801,000 |  | $ 763,801,000 |  |  |
Remaining performance obligations, period | 24 months |  | 24 months |  |  |

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
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