Income Taxes (Reconciliation of U.S. Statutory Income Tax Rate with Effective Income Tax Rate) (Details)	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Income Tax Disclosure [Abstract]
U.S. statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes	1.80%	1.20%	0.90%
Foreign operations	2.50%	2.70%	3.80%
Global intangible low tax income	0.20%	0.20%	0.20%
Foreign derived intangible income	(1.50%)	(1.30%)	(1.60%)
Research and development credit	(1.00%)	(0.90%)	(0.70%)
Change in unrecognized tax benefits	0.20%	1.20%	0.00%
Tax benefits on stock-based compensation	(0.90%)	(1.20%)	(0.70%)
Change in valuation allowance related to impairment	2.60%	0.00%	0.00%
Other	0.50%	(0.20%)	0.50%
Effective income tax rate	25.40%	22.70%	23.40%