Operating Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Operating Leased Assets [Line Items]
Operating Lease, Payments	$ 19,005	$ 18,334
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 7,607	$ 16,522
Operating Lease, Weighted Average Remaining Lease Term	2 years 8 months 12 days	3 years
Operating Lease, Weighted Average Discount Rate, Percent	3.90%	3.30%
Cost of Sales [Member]
Operating Leased Assets [Line Items]
Operating Lease, Cost	$ 7,893	$ 8,268	$ 9,197
Selling, General and Administrative Expenses [Member]
Operating Leased Assets [Line Items]
Operating Lease, Cost	$ 9,822	$ 8,625	$ 8,974