Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Employee Compensation - Summary of Restricted Stock and Performance Share Activity and Fair Value (Details)

v3.25.1
Stock-Based Employee Compensation - Summary of Restricted Stock and Performance Share Activity and Fair Value (Details) - Long-Term Stock Incentive Plan - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Feb. 28, 2025
Feb. 29, 2024
Feb. 28, 2023
Restricted Stock Units      
Number      
Balance at beginning of period (in shares) 335,614 291,859 291,171
Granted (in shares) 171,601 192,300 128,743
Vested (in shares) (139,589) (116,937) (113,541)
Forfeited (in shares) (33,641) (31,608) (14,514)
Balance at end of period (in shares) 333,985 335,614 291,859
Weighted Average Grant-Date Fair Value      
Balance at beginning of period (in dollars per share) $ 228.75 $ 223.75 $ 202.68
Granted (in dollars per share) 260.44 227.30 252.53
Vested (in dollars per share) 220.63 213.83 202.64
Forfeited (in dollars per share) 245.56 228.90 221.33
Balance at end of period (in dollars per share) $ 246.73 $ 228.75 $ 223.75
Fair value of shares vested $ 35.4 $ 27.0 $ 27.9
Performance Share Units      
Number      
Balance at beginning of period (in shares) 110,061 85,649 86,641
Granted (in shares) 57,804 67,734 32,976
Vested (in shares) (14,485) (21,848) (21,245)
Forfeited (in shares) (6,942) (10,749) (5,308)
Performance achievement (in shares) (6,366) (10,725) (7,415)
Balance at end of period (in shares) 140,072 110,061 85,649
Weighted Average Grant-Date Fair Value      
Balance at beginning of period (in dollars per share) $ 292.78 $ 302.06 $ 268.12
Granted (in dollars per share) 290.73 238.01 395.55
Vested (in dollars per share) 318.71 202.53 298.25
Forfeited (in dollars per share) 267.90 295.07 323.44
Performance achievement (in dollars per share) 318.71 202.53 316.81
Balance at end of period (in dollars per share) $ 289.31 $ 292.78 $ 302.06
Fair value of shares vested $ 3.7 $ 5.0 $ 5.2