v3.24.3
Fair Value Measurements - Schedule of fair value of financial assets and liabilities (Details) - USD ($)
$ in Millions
Oct. 31, 2024
Jul. 31, 2024
Other assets:    
Foreign currency forward contracts Other assets Other assets
Accrued and other liabilities:    
Foreign currency forward contracts Accrued and other liabilities Accrued and other liabilities
Other long-term liabilities:    
Foreign currency forward contracts Other long-term liabilities Other long-term liabilities
Fair value, measurements, recurring    
Cash equivalents:    
Cash equivalents $ 1,443.0 $ 961.4
Prepaid expenses and other current assets:    
Foreign currency forward contracts 5.3 4.1
Total prepaid expenses and other current assets 5.3 4.1
Other assets:    
Total other assets 0.0 0.1
Total assets measured at fair value 6,676.2 6,182.4
Accrued and other liabilities:    
Contingent consideration 238.5 0.0
Total accrued and other liabilities 250.3 15.3
Other long-term liabilities:    
Contingent consideration 416.7 0.0
Total other long-term liabilities 416.7 0.9
Total liabilities measured at fair value 667.0 16.2
Fair value, measurements, recurring | Short-Term Investments    
Short-term investments:    
Short and long-term investments 1,108.2 1,043.6
Fair value, measurements, recurring | Long-Term Investments    
Short-term investments:    
Short and long-term investments 4,119.7 4,173.2
Fair value, measurements, recurring | Level 1    
Cash equivalents:    
Cash equivalents 1,105.3 494.0
Prepaid expenses and other current assets:    
Foreign currency forward contracts 0.0 0.0
Total prepaid expenses and other current assets 0.0 0.0
Other assets:    
Total other assets 0.0 0.0
Total assets measured at fair value 1,105.3 494.0
Accrued and other liabilities:    
Contingent consideration 0.0 0.0
Total accrued and other liabilities 0.0 0.0
Other long-term liabilities:    
Contingent consideration 0.0 0.0
Total other long-term liabilities 0.0 0.0
Total liabilities measured at fair value 0.0 0.0
Fair value, measurements, recurring | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Level 1 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Level 2    
Cash equivalents:    
Cash equivalents 337.7 467.4
Prepaid expenses and other current assets:    
Foreign currency forward contracts 5.3 4.1
Total prepaid expenses and other current assets 5.3 4.1
Other assets:    
Total other assets 0.0 0.1
Total assets measured at fair value 5,570.9 5,688.4
Accrued and other liabilities:    
Contingent consideration 0.0 0.0
Total accrued and other liabilities 11.8 15.3
Other long-term liabilities:    
Contingent consideration 0.0 0.0
Total other long-term liabilities 0.0 0.9
Total liabilities measured at fair value 11.8 16.2
Fair value, measurements, recurring | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 1,108.2 1,043.6
Fair value, measurements, recurring | Level 2 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 4,119.7 4,173.2
Fair value, measurements, recurring | Level 3    
Cash equivalents:    
Cash equivalents 0.0 0.0
Prepaid expenses and other current assets:    
Foreign currency forward contracts 0.0 0.0
Total prepaid expenses and other current assets 0.0 0.0
Other assets:    
Total other assets 0.0 0.0
Total assets measured at fair value 0.0 0.0
Accrued and other liabilities:    
Contingent consideration 238.5 0.0
Total accrued and other liabilities 238.5 0.0
Other long-term liabilities:    
Contingent consideration 416.7 0.0
Total other long-term liabilities 416.7 0.0
Total liabilities measured at fair value 655.2 0.0
Fair value, measurements, recurring | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Level 3 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Money market funds    
Cash equivalents:    
Cash equivalents 1,105.3 494.0
Fair value, measurements, recurring | Money market funds | Level 1    
Cash equivalents:    
Cash equivalents 1,105.3 494.0
Fair value, measurements, recurring | Money market funds | Level 2    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Money market funds | Level 3    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Commercial paper    
Cash equivalents:    
Cash equivalents 228.7 299.6
Fair value, measurements, recurring | Commercial paper | Short-Term Investments    
Short-term investments:    
Short and long-term investments 36.1 79.9
Fair value, measurements, recurring | Commercial paper | Level 1    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Commercial paper | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Commercial paper | Level 2    
Cash equivalents:    
Cash equivalents 228.7 299.6
Fair value, measurements, recurring | Commercial paper | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 36.1 79.9
Fair value, measurements, recurring | Commercial paper | Level 3    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Commercial paper | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities    
Cash equivalents:    
Cash equivalents 34.2 18.2
Fair value, measurements, recurring | Corporate debt securities | Short-Term Investments    
Short-term investments:    
Short and long-term investments 1,037.5 935.9
Fair value, measurements, recurring | Corporate debt securities | Long-Term Investments    
Short-term investments:    
Short and long-term investments 3,095.2 3,151.3
Fair value, measurements, recurring | Corporate debt securities | Level 1    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities | Level 1 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities | Level 2    
Cash equivalents:    
Cash equivalents 34.2 18.2
Fair value, measurements, recurring | Corporate debt securities | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 1,037.5 935.9
Fair value, measurements, recurring | Corporate debt securities | Level 2 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 3,095.2 3,151.3
Fair value, measurements, recurring | Corporate debt securities | Level 3    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Corporate debt securities | Level 3 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities    
Cash equivalents:    
Cash equivalents 74.8 149.6
Fair value, measurements, recurring | U.S. government and agency securities | Short-Term Investments    
Short-term investments:    
Short and long-term investments 4.2 2.7
Fair value, measurements, recurring | U.S. government and agency securities | Long-Term Investments    
Short-term investments:    
Short and long-term investments 17.7 19.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 1    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 1 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 2    
Cash equivalents:    
Cash equivalents 74.8 149.6
Fair value, measurements, recurring | U.S. government and agency securities | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 4.2 2.7
Fair value, measurements, recurring | U.S. government and agency securities | Level 2 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 17.7 19.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 3    
Cash equivalents:    
Cash equivalents 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | U.S. government and agency securities | Level 3 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Certificates of deposit | Short-Term Investments    
Short-term investments:    
Short and long-term investments 15.7 20.6
Fair value, measurements, recurring | Certificates of deposit | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Certificates of deposit | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 15.7 20.6
Fair value, measurements, recurring | Certificates of deposit | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Non-U.S. government and agency securities | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 4.2
Fair value, measurements, recurring | Non-U.S. government and agency securities | Long-Term Investments    
Short-term investments:    
Short and long-term investments 39.1 54.4
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 1 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 4.2
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 2 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 39.1 54.4
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 3 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Asset-backed securities | Short-Term Investments    
Short-term investments:    
Short and long-term investments 14.7 0.3
Fair value, measurements, recurring | Asset-backed securities | Long-Term Investments    
Short-term investments:    
Short and long-term investments 967.7 948.5
Fair value, measurements, recurring | Asset-backed securities | Level 1 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Asset-backed securities | Level 1 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Asset-backed securities | Level 2 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 14.7 0.3
Fair value, measurements, recurring | Asset-backed securities | Level 2 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 967.7 948.5
Fair value, measurements, recurring | Asset-backed securities | Level 3 | Short-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Asset-backed securities | Level 3 | Long-Term Investments    
Short-term investments:    
Short and long-term investments 0.0 0.0
Fair value, measurements, recurring | Foreign Exchange Forward    
Other assets:    
Foreign currency forward contracts 0.0 0.1
Accrued and other liabilities:    
Foreign currency forward contracts 11.8 15.3
Other long-term liabilities:    
Foreign currency forward contracts 0.0 0.9
Fair value, measurements, recurring | Foreign Exchange Forward | Level 1    
Other assets:    
Foreign currency forward contracts 0.0 0.0
Accrued and other liabilities:    
Foreign currency forward contracts 0.0 0.0
Other long-term liabilities:    
Foreign currency forward contracts 0.0 0.0
Fair value, measurements, recurring | Foreign Exchange Forward | Level 2    
Other assets:    
Foreign currency forward contracts 0.0 0.1
Accrued and other liabilities:    
Foreign currency forward contracts 11.8 15.3
Other long-term liabilities:    
Foreign currency forward contracts 0.0 0.9
Fair value, measurements, recurring | Foreign Exchange Forward | Level 3    
Other assets:    
Foreign currency forward contracts 0.0 0.0
Accrued and other liabilities:    
Foreign currency forward contracts 0.0 0.0
Other long-term liabilities:    
Foreign currency forward contracts $ 0.0 $ 0.0