Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation (Details)

v3.8.0.1
Stock-Based Employee Compensation (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Total compensation cost recognized in our results of operations $ 60.9 $ 56.1 $ 54.0
Income tax benefit related thereto recognized in our results of operations $ 13.5 $ 18.5 $ 17.8