Stock-Based Compensation (Summary of Stock Option Activity) (Details)	9 Months Ended
	Apr. 30, 2022 $ / shares shares
Options
Beginning balance (in shares) | shares	6,444,743
Options granted (in shares) | shares	898,726
Options exercised (in shares) | shares	(308,945)
Options canceled/forfeited (in shares) | shares	(43,560)
Ending balance (in shares) | shares	6,990,964
Weighted Average Exercise Price
Beginning balance (in usd per share) | $ / shares	$ 44.05
Granted (in usd per share) | $ / shares	59.18
Exercised (in usd per share) | $ / shares	37.50
Canceled/forfeited (in usd per share) | $ / shares	53.07
Ending balance (in usd per share) | $ / shares	$ 46.23