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Share-based Compensation - Share-based Payment Award Activity (Details) - $ / shares
12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Outstanding at beginning of year (shares) 194,946 146,532 109,777
Granted (shares) 131,120 140,070 84,895
Vested (shares) (70,913) (84,595) (38,733)
Forfeited (shares) (28,707) (7,061) (9,407)
Outstanding at end of year (shares) 226,446 194,946 146,532
Vested and expected to vest at end of year (shares) 224,807 193,718 146,532
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Outstanding at beginning of year (usd per share) $ 44.34 $ 48.93 $ 56.62
Granted, Weighted Average Grant Date Fair Value (usd per share) 28.78 43.86 42.05
Vested, Weighted Average Grant Date Fair Value (usd per share) 45.67 54.63 54.53
Forfeited, Weighted Average Grant Date Fair Value (usd per share) 36.59 45.30 53.46
Outstanding at end of year (usd per share) 35.66 44.34 48.93
Vested and expected to vest at end of year (usd per share) $ 35.56 $ 44.34 $ 48.93
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Outstanding at beginning of year (shares) 109,936 83,125 70,030
Granted (shares) 69,955 49,000 46,183
Vested (shares) 0 0 (3,378)
Forfeited (shares) (36,307) (22,189) (29,710)
Outstanding at end of year (shares) 143,584 109,936 83,125
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Outstanding at beginning of year (usd per share) $ 47.75 $ 49.74 $ 54.59
Granted, Weighted Average Grant Date Fair Value (usd per share) 33.22 46.19 42.00
Vested, Weighted Average Grant Date Fair Value (usd per share) 0 0 46.65
Forfeited, Weighted Average Grant Date Fair Value (usd per share) 50.57 55.08 49.51
Outstanding at end of year (usd per share) $ 39.96 $ 47.75 $ 49.74