XML 98 R77.htm IDEA: XBRL DOCUMENT v3.21.1
Stock And Stock-Based Incentive Plans (Stock Option Activity) (Details) - Stock Option - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding as of beginning of year, Number of Shares 6,994,000    
Options granted, Number of Shares 1,607,401 1,601,489 1,745,497
Options exercised, Number of Shares (2,306,000)    
Options forfeited or expired, Number of Shares (29,000)    
Outstanding as of end of year, Number of Shares 6,266,000 6,994,000  
Exercisable as of end of year, Number of Shares 2,390,000    
Outstanding as of beginning of year, Weighted Average Exercise Price $ 64.85    
Options granted, Weighted Average Exercise Price 71.56    
Options exercised, Weighted Average Exercise Price 62.06    
Options forfeited or expired, Weighted Average Exercise Price 70.39    
Outstanding as of end of year, Weighted Average Exercise Price 67.57 $ 64.85  
Exercisable as of end of year, Weighted Average Exercise Price $ 62.58    
Outstanding as of end of year, Weighted Average Remaining Contractual Life (Years) 4 years 6 months    
Exercisable as of end of year, Weighted Average Remaining Contractual Life (Years) 3 years 6 months    
Outstanding as of end of year, Aggregate Intrinsic Value $ 325,425    
Exercisable as of end of year, Aggregate Intrinsic Value $ 136,083