v3.24.1.u1
Stock And Stock-Based Incentive Plans (Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding as of beginning of year, Number of Shares 6,776,000    
Options granted, Number of Shares 1,554,029 1,301,862 922,475
Options exercised, Number of Shares (752,000)    
Options forfeited or expired, Number of Shares (185,000)    
Outstanding as of end of year, Number of Shares 7,393,000 6,776,000  
Exercisable as of end of year, Number of Shares 4,323,000    
Outstanding as of beginning of year, Weighted Average Exercise Price $ 82.28    
Options granted, Weighted Average Exercise Price 70.55    
Options exercised, Weighted Average Exercise Price 59.56    
Options forfeited or expired, Weighted Average Exercise Price 85.95    
Outstanding as of end of year, Weighted Average Exercise Price 82.03 $ 82.28  
Exercisable as of end of year, Weighted Average Exercise Price $ 79.97    
Outstanding as of end of year, Weighted Average Remaining Contractual Life (Years) 3 years 8 months 12 days    
Exercisable as of end of year, Weighted Average Remaining Contractual Life (Years) 2 years 7 months 6 days    
Outstanding as of end of year, Aggregate Intrinsic Value $ 42,459    
Exercisable as of end of year, Aggregate Intrinsic Value $ 27,379    
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 87.61