Accrued Expenses and Other Current Liabilities (Narrative) (Details) - USD ($)	6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Payables and Accruals [Abstract]
Minimum coverage period of product warranty from the date of shipment	1 year
Adjustments for changes in estimates	$ 1,500,000	$ 2,500,000