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v3.21.2

Accrued Expenses and Other Current Liabilities (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jul. 31, 2021 | Jul. 31, 2020
Accrued Liabilities, Current [Abstract] |  |
Minimum coverage period of product warranty from the date of shipment | 1 year |
Accrued Expenses And Other Current Liabilities [Line Items] |  |
Accrued acquisition-related costs | $ 9,222,000 | $ 7,014,000
UHP |  |
Accrued Expenses And Other Current Liabilities [Line Items] |  |
Accrued acquisition-related costs | $ 8,705,000 |

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