Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation - Fair Value of Stock Options (Details)

v3.21.1
Stock-Based Employee Compensation - Fair Value of Stock Options (Details) - Long-Term Stock Incentive Plan - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of stock options vested $ 21.1 $ 21.1 $ 22.8
Intrinsic value of stock options exercised 142.1 255.0 348.5
Tax benefit realized from stock options exercised $ 33.9 $ 60.4 $ 82.6