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Accounts Receivable (Tables) | 3 Months Ended
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Oct. 31, 2022
Receivables [Abstract] |
Accounts receivable | Accounts receivable consist of the following at:
|  | October 31, 2022 |  | July 31, 2022
Receivables from commercial and international customers |  | $ | 58,863,000 |  |  | 59,922,000 |
Unbilled receivables from commercial and international customers |  | 45,109,000 |  |  | 39,826,000 |
Receivables from the U.S. government and its agencies |  | 22,427,000 |  |  | 24,776,000 |
Unbilled receivables from the U.S. government and its agencies |  | 4,948,000 |  |  | 1,524,000 |
Total accounts receivable |  | 131,347,000 |  |  | 126,048,000 |
Less allowance for doubtful accounts |  | 2,560,000 |  |  | 2,337,000 |
Accounts receivable, net |  | $ | 128,787,000 |  |  | 123,711,000 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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