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Stock-Based Employee Compensation - Total Compensation Costs and Related Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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Feb. 28, 2026 | Feb. 28, 2025 | Feb. 29, 2024
Share-Based Payment Arrangement [Abstract] |  |  |
Total compensation cost recognized in our results of operations | $ 69.2 | $ 72.2 | $ 63.6
Income tax benefit related thereto recognized in our results of operations | $ 10.2 | $ 10.6 | $ 9.5

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