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v3.23.3

Accounts Receivable (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2023 | Jul. 31, 2023
Statement [Line Items] |  |
Total accounts receivable | $ 186,983,000 | $ 165,248,000
Less allowance for doubtful accounts | 1,918,000 | 2,089,000
Accounts receivable, net | $ 185,065,000 | $ 163,159,000
Accounts Receivable | Customer Concentration Risk | U.S. government |  |
Statement [Line Items] |  |
Concentration risk, percentage | 35.00% | 35.30%
Accounts Receivable | Customer Concentration Risk | AT&T, Inc. |  |
Statement [Line Items] |  |
Concentration risk, percentage |  | 11.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-05-01 |  |
Statement [Line Items] |  |
Remaining performance obligations, period | 24 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-11-01 |  |
Statement [Line Items] |  |
Remaining performance obligations, period | 1 year |
Billed Receivables | Commercial and International Customers |  |
Statement [Line Items] |  |
Total accounts receivable | $ 53,001,000 | $ 52,438,000
Billed Receivables | U.S. Government and Its Agencies |  |
Statement [Line Items] |  |
Total accounts receivable | 19,269,000 | 31,149,000
Unbilled Receivables |  |
Statement [Line Items] |  |
Long-term receivables |  | 2,993,000
Unbilled Receivables | Commercial and International Customers |  |
Statement [Line Items] |  |
Total accounts receivable | 68,474,000 | 54,469,000
Unbilled Receivables | U.S. Government and Its Agencies |  |
Statement [Line Items] |  |
Total accounts receivable | $ 46,239,000 | $ 27,192,000

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