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Additional Balance Sheet Disclosures (Tables) | 3 Months Ended
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Oct. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Inventory | Inventories as of October 31, 2021 and July 31, 2021, consisted of the following:
| October 31, 2021 |  | July 31, 2021
Finished products | $ | 96,034 |  |  | $ | 87,489 |
Work-in-process | 22,099 |  |  | 20,189 |
Raw materials and supplies | 34,162 |  |  | 28,429 |
Total inventories | $ | 152,295 |  |  | $ | 136,107 |

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