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Stock Compensation - SARs and Option Awards Activity (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares | 12 Months Ended
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Feb. 28, 2019 | Feb. 28, 2018 | Feb. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number of Shares [Roll Forward] |  |  |
Outstanding at beginning of year (shares) | 148,513 | 170,139 | 312,748
Granted (shares) | 0 | 0 | 0
Exercised (shares) | (47,484) | (19,481) | (141,983)
Forfeited (shares) | (2,845) | (2,145) | (626)
Outstanding at end of year (shares) |  | 148,513 | 170,139
Exercisable at end of year (shares) | 98,184 | 148,513 | 126,975
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument, Weighted Average Grant Date Fair Value [Roll Forward] |  |  |
Outstanding at beginning of year, Weighted Average Exercise Price (usd per share) | $ 43.29 | $ 42.02 | $ 34.23
Granted, Weighted Average Exercise Price (usd per share) | 0.00 | 0.00 | 0.00
Exercised, Weighted Average Exercise Price (usd per share) | 40.84 | 31.94 | 24.85
Forfeited, Weighted Average Exercise Price (usd per share) | 43.92 | 45.36 | 43.92
Outstanding at end of year, Weighted Average Exercise Price (usd per share) | 44.46 | 43.29 | 42.02
Exercisable at end of year, Weighted Average Exercise Price (usd per share) | $ 44.46 | $ 43.29 | $ 41.27

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