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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. 29, 2020 | Feb. 28, 2019 | Feb. 28, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number of Shares [Roll Forward] |  |  |
Outstanding at beginning of year (shares) | 98,184 | 148,513 | 170,139
Exercised (shares) | (2,965) | (47,484) | (19,481)
Forfeited (shares) | (393) | (2,845) | (2,145)
Outstanding at end of year (shares) | 94,826 | 98,184 | 148,513
Exercisable at end of year (shares) | 94,826 | 98,184 | 148,513
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) | $ 44.46 | $ 43.29 | $ 42.02
Exercised, Weighted Average Exercise Price (usd per share) | 44.58 | 40.84 | 31.94
Forfeited, Weighted Average Exercise Price (usd per share) | 43.92 | 43.92 | 45.36
Outstanding at end of year, Weighted Average Exercise Price (usd per share) | 44.58 | 44.46 | 43.29
Exercisable at end of year, Weighted Average Exercise Price (usd per share) | $ 44.58 | $ 44.46 | $ 43.29

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