Stock-Based Employee Compensation - Total Compensation Costs and Related Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2021 |
Feb. 29, 2020 |
Feb. 28, 2019 |
|
| Share-based Payment Arrangement [Abstract] | |||
| Total compensation cost recognized in our results of operations | $ 63.0 | $ 60.4 | $ 64.1 |
| Income tax benefit related thereto recognized in our results of operations | $ 9.2 | $ 9.5 | $ 11.6 |
| 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
|
| X | ||||||||||
- References No definition available.
|
| 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
|