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Stock-Based Employee Compensation - Summary of Stock Option Activity (Details) - $ / shares
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Weighted Average Exercise Price      
Exercised (in dollars per share) $ 235.72 $ 251.32 $ 246.64
Long-Term Stock Incentive Plan      
Number of Options      
Balance at beginning of period (in shares) 2,258,033 2,564,288 3,067,962
Granted (in shares) 0 124,418 151,848
Exercised (in shares) (59,844) (393,016) (584,302)
Forfeited (in shares) (26,800) (29,237) (55,351)
Expired (in shares) (168,175) (8,420) (15,869)
Balance at end of period (in shares) 2,003,214 2,258,033 2,564,288
Exercisable (in shares) 1,814,172 1,761,492 1,702,984
Weighted Average Exercise Price      
Balance at beginning of period (in dollars per share) $ 212.95 $ 203.47 $ 194.47
Granted (in dollars per share) 0 260.11 226.76
Exercised (in dollars per share) 141.77 162.80 160.41
Forfeited (in dollars per share) 248.81 246.98 225.04
Expired (in dollars per share) 209.04 245.19 196.57
Balance at end of period (in dollars per share) 214.93 212.95 203.47
Exercisable (in dollars per share) $ 211.19 $ 203.26 $ 193.68