Accrued Expenses and Other Current Liabilities (Narrative) (Details) - USD ($)	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
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	$ 0	$ 9,222,000
UHP
Accrued Expenses And Other Current Liabilities [Line Items]
Accrued acquisition-related costs		$ 8,705,000