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Cash, Cash Equivalents and Investments - Contractual Maturities of Available-for-Sale Investments (Details) - USD ($) $ in Millions | Nov. 30, 2025 | Feb. 28, 2025
--- | --- | ---
Cost Basis |  |
Due in one year or less | $ 178.4 | $ 127.7
No fixed maturity | 0.0 | 10.0
Total | 178.4 | 137.7
Fair Value |  |
Due in one year or less | 178.4 | 127.7
No fixed maturity | 0.0 | 0.0
Total | $ 178.4 | $ 127.7

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