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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, 2017 | Feb. 29, 2016 | Feb. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number of Shares [Roll Forward] |  |  |
Outstanding at beginning of year (shares) | 312,748 | 376,982 | 396,174
Granted (shares) | 0 | 0 | 126,532
Exercised (shares) | (141,983) | (59,441) | (98,942)
Forfeited (shares) | (626) | (4,793) | (46,782)
Outstanding at end of year (shares) | 170,139 | 312,748 | 376,982
Exercisable at end of year (shares) | 126,975 | 217,961 | 204,107
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) | $ 34.23 | $ 31.27 | $ 26.64
Granted, Weighted Average Exercise Price (usd per share) | 0.00 | 0.00 | 43.92
Exercised, Weighted Average Exercise Price (usd per share) | 24.85 | 14.67 | 22.79
Forfeited, Weighted Average Exercise Price (usd per share) | 43.92 | 44.56 | 44.14
Outstanding at end of year, Weighted Average Exercise Price (usd per share) | 42.02 | 34.23 | 31.27
Exercisable at end of year, Weighted Average Exercise Price (usd per share) | 41.27 | 29.83 | 21.55
Weighted average fair value for the fiscal year indicated of options and SARs granted during such year (usd per share) | $ 0.00 | $ 0.00 | $ 16.94

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