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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Feb. 28, 2026 | Feb. 28, 2025 | Feb. 29, 2024 | Feb. 28, 2023
Income Tax Disclosure [Abstract] |  |  |  |
Unrecognized tax benefit liabilities | $ 310.6 | $ 438.4 |  |
Unrecognized tax benefit liabilities that would impact effective tax rate if recognized | 254.1 | 318.9 | $ 416.1 | $ 344.3
Unrecognized tax benefits that would decrease the effective tax rate | 200.4 | 183.4 |  |
Income taxes, net of refunds received | 173.6 | $ 197.1 | $ 333.5 |
Operating loss carryforwards | 3,800.0 |  |  |
Operating loss carryforwards subject to expire by fiscal 2033 | 2,200.0 |  |  |
Operating loss carryforwards subject to expire between fiscal 2034 and fiscal 2050 | 800.0 |  |  |
Operating loss carryforwards not subject to expiration | 750.0 |  |  |
Capital loss carryforwards | 1,400.0 |  |  |
Interest limitation carryforwards, carried forward indefinitely | $ 1,800.0 |  |  |

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