Stock-based Compensation - Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Apr. 30, 2025	Jul. 31, 2024
Shares
Outstanding, beginning balance (in shares)	16,310
Grants of options (in shares)	159
Exercises (in shares)	(3,500)
Forfeitures or expirations (in shares)	(5)
Outstanding, ending balance (in shares)	12,964	16,310
Exercisable (in shares)	11,304
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 18.60
Grants of options (in dollars per share)	58.34
Exercises (in dollars per share)	11.48
Forfeitures (in dollars per share)	4.43
Outstanding, ending balance (in dollars per share)	21.02	$ 18.60
Exercisable (in dollars per share)	$ 18.26
Weighted Average Remaining Contractual Term (In years)
Outstanding	4 years	4 years 4 months 2 days
Exercisable	3 years 5 months 23 days
Aggregate Intrinsic Value
Outstanding, beginning balance	$ 550,115
Outstanding, ending balance	518,796	$ 550,115
Exercisable	$ 483,470
Stock Options Subject to Market Conditions
Shares
Outstanding, beginning balance (in shares)	5,995
Grants of options (in shares)	0
Exercises (in shares)	0
Forfeitures or expirations (in shares)	0
Outstanding, ending balance (in shares)	5,995	5,995
Exercisable (in shares)	5,069
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 24.70
Grants of options (in dollars per share)	0
Exercises (in dollars per share)	0
Forfeitures (in dollars per share)	0
Outstanding, ending balance (in dollars per share)	24.70	$ 24.70
Exercisable (in dollars per share)	$ 23.54
Weighted Average Remaining Contractual Term (In years)
Outstanding	5 years 8 months 19 days	6 years 5 months 19 days
Exercisable	5 years 6 months 7 days
Aggregate Intrinsic Value
Outstanding, beginning balance	$ 165,656
Outstanding, ending balance	217,812	$ 165,656
Exercisable	$ 190,037