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Stock And Stock-Based Incentive Plans (Cash-Settled Restricted Stock Unit Activity) (Details) - Cash-Settled Restricted Stock Units - $ / shares
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding at beginning of year, Number of Shares or Units 1,004,000    
Stock units granted, Number of Units 915,122 677,783 378,382
Stock units vested and converted, Number of Units (501,000)    
Stock units cancelled, Number of Units (121,000)    
Outstanding at end of year, number of shares or Units 1,297,000 1,004,000  
Outstanding as of beginning of year, Weighted Average Grant Date Fair Value $ 97.19    
Initial weighted average grant date fair value per share 70.69 $ 91.14 $ 136.46
Stock units vested and converted, Weighted Average Grant Date Fair Value 93.29    
Stock units cancelled, Weighted Average Grant Date Fair Value 81.96    
Outstanding as of end of year, Weighted Average Grant Date Fair Value $ 81.42 $ 97.19