Stock-Based Employee Compensation (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Feb. 29, 2020 |
Feb. 28, 2019 |
Feb. 28, 2018 |
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| Share-based Payment Arrangement [Abstract] | |||
| Total compensation cost recognized in our results of operations | $ 60.4 | $ 64.1 | $ 60.9 |
| Income tax benefit related thereto recognized in our results of operations | $ 9.5 | $ 11.6 | $ 13.5 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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