Fair Value Measurements (Fair Value of Financial Assets and Liabilities) (Details) - USD ($) $ in Millions | Jan. 31, 2025 | 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 | $ 1,592 | $ 961.4 |
Prepaid expenses and other current assets: | | |
Foreign currency forward contracts | 10 | 4.1 |
Total prepaid expenses and other current assets | 10 | 4.1 |
Other assets: | | |
Total other assets | 3 | 0.1 |
Total assets measured at fair value | 7,171.4 | 6,182.4 |
Accrued and other liabilities: | | |
Contingent consideration | 312.8 | 0 |
Total accrued and other liabilities | 341 | 15.3 |
Other long-term liabilities: | | |
Contingent consideration | 352.1 | 0 |
Total other long-term liabilities | 354.6 | 0.9 |
Total liabilities measured at fair value | 695.6 | 16.2 |
Fair value, measurements, recurring | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 1,006.6 | 1,043.6 |
Fair value, measurements, recurring | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 4,559.8 | 4,173.2 |
Fair value, measurements, recurring | Level 1 | | |
Cash equivalents: | | |
Cash equivalents | 1,291.9 | 494 |
Prepaid expenses and other current assets: | | |
Foreign currency forward contracts | 0 | 0 |
Total prepaid expenses and other current assets | 0 | 0 |
Other assets: | | |
Total other assets | 0 | 0 |
Total assets measured at fair value | 1,291.9 | 494 |
Accrued and other liabilities: | | |
Contingent consideration | 0 | 0 |
Total accrued and other liabilities | 0 | 0 |
Other long-term liabilities: | | |
Contingent consideration | 0 | 0 |
Total other long-term liabilities | 0 | 0 |
Total liabilities measured at fair value | 0 | 0 |
Fair value, measurements, recurring | Level 1 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Level 1 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Level 2 | | |
Cash equivalents: | | |
Cash equivalents | 300.1 | 467.4 |
Prepaid expenses and other current assets: | | |
Foreign currency forward contracts | 10 | 4.1 |
Total prepaid expenses and other current assets | 10 | 4.1 |
Other assets: | | |
Total other assets | 3 | 0.1 |
Total assets measured at fair value | 5,879.5 | 5,688.4 |
Accrued and other liabilities: | | |
Contingent consideration | 0 | 0 |
Total accrued and other liabilities | 28.2 | 15.3 |
Other long-term liabilities: | | |
Contingent consideration | 0 | 0 |
Total other long-term liabilities | 2.5 | 0.9 |
Total liabilities measured at fair value | 30.7 | 16.2 |
Fair value, measurements, recurring | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 1,006.6 | 1,043.6 |
Fair value, measurements, recurring | Level 2 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 4,559.8 | 4,173.2 |
Fair value, measurements, recurring | Level 3 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Prepaid expenses and other current assets: | | |
Foreign currency forward contracts | 0 | 0 |
Total prepaid expenses and other current assets | 0 | 0 |
Other assets: | | |
Total other assets | 0 | 0 |
Total assets measured at fair value | 0 | 0 |
Accrued and other liabilities: | | |
Contingent consideration | 312.8 | 0 |
Total accrued and other liabilities | 312.8 | 0 |
Other long-term liabilities: | | |
Contingent consideration | 352.1 | 0 |
Total other long-term liabilities | 352.1 | 0 |
Total liabilities measured at fair value | 664.9 | 0 |
Fair value, measurements, recurring | Level 3 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Level 3 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Money market funds | | |
Cash equivalents: | | |
Cash equivalents | 1,291.9 | 494 |
Fair value, measurements, recurring | Money market funds | Level 1 | | |
Cash equivalents: | | |
Cash equivalents | 1,291.9 | 494 |
Fair value, measurements, recurring | Money market funds | Level 2 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Money market funds | Level 3 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Commercial paper | | |
Cash equivalents: | | |
Cash equivalents | 277.8 | 299.6 |
Fair value, measurements, recurring | Commercial paper | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 34.6 | 79.9 |
Fair value, measurements, recurring | Commercial paper | Level 1 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Commercial paper | Level 1 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Commercial paper | Level 2 | | |
Cash equivalents: | | |
Cash equivalents | 277.8 | 299.6 |
Fair value, measurements, recurring | Commercial paper | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 34.6 | 79.9 |
Fair value, measurements, recurring | Commercial paper | Level 3 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Commercial paper | Level 3 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | | |
Cash equivalents: | | |
Cash equivalents | 4.3 | 18.2 |
Fair value, measurements, recurring | Corporate debt securities | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 936.8 | 935.9 |
Fair value, measurements, recurring | Corporate debt securities | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 3,476.5 | 3,151.3 |
Fair value, measurements, recurring | Corporate debt securities | Level 1 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | Level 1 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | Level 1 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | Level 2 | | |
Cash equivalents: | | |
Cash equivalents | 4.3 | 18.2 |
Fair value, measurements, recurring | Corporate debt securities | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 936.8 | 935.9 |
Fair value, measurements, recurring | Corporate debt securities | Level 2 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 3,476.5 | 3,151.3 |
Fair value, measurements, recurring | Corporate debt securities | Level 3 | | |
Cash equivalents: | | |
Cash equivalents | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | Level 3 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Corporate debt securities | Level 3 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | U.S. government and agency securities | | |
Cash equivalents: | | |
Cash equivalents | 18 | 149.6 |
Fair value, measurements, recurring | U.S. government and agency securities | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 15.6 | 2.7 |
Fair value, measurements, recurring | U.S. government and agency securities | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 83.4 | 19 |
Fair value, measurements, recurring | U.S. government and agency securities | Level 1 | | |
Cash equivalents: | | |
Cash equivalents | 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 |
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 |
Fair value, measurements, recurring | U.S. government and agency securities | Level 2 | | |
Cash equivalents: | | |
Cash equivalents | 18 | 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 | 15.6 | 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 | 83.4 | 19 |
Fair value, measurements, recurring | U.S. government and agency securities | Level 3 | | |
Cash equivalents: | | |
Cash equivalents | 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 |
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 |
Fair value, measurements, recurring | Certificates of deposit | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 1 | 20.6 |
Fair value, measurements, recurring | Certificates of deposit | Level 1 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Certificates of deposit | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 1 | 20.6 |
Fair value, measurements, recurring | Certificates of deposit | Level 3 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Non-U.S. government and agency securities | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 3.1 | 4.2 |
Fair value, measurements, recurring | Non-U.S. government and agency securities | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 26 | 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 |
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 |
Fair value, measurements, recurring | Non-U.S. government and agency securities | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 3.1 | 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 | 26 | 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 |
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 |
Fair value, measurements, recurring | Asset-backed securities | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 15.5 | 0.3 |
Fair value, measurements, recurring | Asset-backed securities | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 973.9 | 948.5 |
Fair value, measurements, recurring | Asset-backed securities | Level 1 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Asset-backed securities | Level 1 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Asset-backed securities | Level 2 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 15.5 | 0.3 |
Fair value, measurements, recurring | Asset-backed securities | Level 2 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 973.9 | 948.5 |
Fair value, measurements, recurring | Asset-backed securities | Level 3 | Short-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Asset-backed securities | Level 3 | Long-Term Investments | | |
Short-term investments: | | |
Short and long-term investments | 0 | 0 |
Fair value, measurements, recurring | Foreign Exchange Forward | | |
Other assets: | | |
Foreign currency forward contracts | 3 | 0.1 |
Accrued and other liabilities: | | |
Foreign currency forward contracts | 28.2 | 15.3 |
Other long-term liabilities: | | |
Foreign currency forward contracts | 2.5 | 0.9 |
Fair value, measurements, recurring | Foreign Exchange Forward | Level 1 | | |
Other assets: | | |
Foreign currency forward contracts | 0 | 0 |
Accrued and other liabilities: | | |
Foreign currency forward contracts | 0 | 0 |
Other long-term liabilities: | | |
Foreign currency forward contracts | 0 | 0 |
Fair value, measurements, recurring | Foreign Exchange Forward | Level 2 | | |
Other assets: | | |
Foreign currency forward contracts | 3 | 0.1 |
Accrued and other liabilities: | | |
Foreign currency forward contracts | 28.2 | 15.3 |
Other long-term liabilities: | | |
Foreign currency forward contracts | 2.5 | 0.9 |
Fair value, measurements, recurring | Foreign Exchange Forward | Level 3 | | |
Other assets: | | |
Foreign currency forward contracts | 0 | 0 |
Accrued and other liabilities: | | |
Foreign currency forward contracts | 0 | 0 |
Other long-term liabilities: | | |
Foreign currency forward contracts | $ 0 | $ 0 |