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Stock-based Compensation - Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 9 Months Ended 12 Months Ended
Apr. 30, 2023
USD ($)
$ / shares
shares
Jul. 31, 2022
USD ($)
$ / shares
shares
Shares    
Outstanding, beginning balance (in shares) | shares 11,394  
Grants of options (in shares) | shares 294  
Exercises (in shares) | shares (806)  
Forfeitures or expirations (in shares) | shares (413)  
Outstanding, ending balance (in shares) | shares 10,469 11,394
Exercisable (in shares) | shares 8,710  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) | $ / shares $ 29.31  
Grants of options (in dollars per share) | $ / shares 65.49  
Exercises (in dollars per share) | $ / shares 33.76  
Forfeitures (in dollars per share) | $ / shares 53.47  
Outstanding, ending balance (in dollars per share) | $ / shares 29.03 $ 29.31
Exercisable (in dollars per share) | $ / shares $ 24.78  
Weighted Average Remaining Contractual Term (In years) 4 years 8 months 12 days 5 years 6 months
Weighted Average Remaining Contractual Term, exercisable (In years) 4 years 1 month 9 days  
Aggregate Intrinsic Value | $ $ 523,659 $ 398,331
Aggregate Intrinsic Value, exercisable | $ $ 472,682  
Option, Market Based    
Shares    
Outstanding, beginning balance (in shares) | shares 2,810  
Grants of options (in shares) | shares 150  
Exercises (in shares) | shares 0  
Forfeitures or expirations (in shares) | shares 0  
Outstanding, ending balance (in shares) | shares 2,960 2,810
Exercisable (in shares) | shares 1,330  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) | $ / shares $ 47.83  
Grants of options (in dollars per share) | $ / shares 65.70  
Exercises (in dollars per share) | $ / shares 0  
Forfeitures (in dollars per share) | $ / shares 0  
Outstanding, ending balance (in dollars per share) | $ / shares 48.73 $ 47.83
Exercisable (in dollars per share) | $ / shares $ 45.04  
Weighted Average Remaining Contractual Term (In years) 7 years 8 months 4 days 8 years 3 months 29 days
Weighted Average Remaining Contractual Term, exercisable (In years) 7 years 3 months 29 days  
Aggregate Intrinsic Value | $ $ 89,742 $ 45,590
Aggregate Intrinsic Value, exercisable | $ $ 45,234