Stockholders' Equity - Fair Value Assumptions (Details) - $ / shares	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value at measurement date (in dollars per share)	$ 12.94
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	3.67%	0.82%	0.42%
Risk-free interest rate, maximum	3.88%	2.70%	1.23%
Estimated volatility, minimum	29.60%	27.90%	26.30%
Estimated volatility, maximum	32.00%	30.00%	28.70%
Expected dividends (as a percent)	0.00%	0.00%	0.00%
Weighted average fair value at measurement date (in dollars per share)	$ 12.10	$ 10.59	$ 7.61
Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	5 years	5 years 1 month 6 days	5 years 2 months 12 days
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	6 years 3 months 18 days	6 years 9 months 18 days	6 years 3 months 18 days