Income Taxes (Reconciliation of U.S. Statutory Income Tax Rate with Effective Income Tax Rate) (Details)	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Income Tax Disclosure [Abstract]
U.S. statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes	1.20%	0.90%	0.90%
Foreign operations	2.70%	3.80%	3.60%
Global Intangible Low Tax Income	0.20%	0.20%	0.30%
Foreign Derived Intangible Income	(1.30%)	(1.60%)	(0.60%)
Research and development credit	(0.90%)	(0.70%)	(0.60%)
Change in unrecognized tax benefits	1.20%	0.00%	(0.80%)
Tax benefits on stock-based compensation	(1.20%)	(0.70%)	(0.50%)
Other	(0.20%)	0.50%	0.80%
Effective income tax rate	22.70%	23.40%	24.10%