Stock-based Compensation (Details 1) - Stock Appreciation Rights (SARs) [Member]	9 Months Ended
	Nov. 30, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number of Shares [Roll Forward]
Outstanding as of February 28, 2015 | shares	376,982
Granted (shares) | shares	0
Exercised (shares) | shares	(20,799)
Forfeited (shares) | shares	(4,078)
Outstanding as of November 30, 2015 | shares	352,105
Exercisable as of November 30, 2015 | shares	254,707
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument, Weighted Average Grant Date Fair Value [Roll Forward]
Outstanding as of February 28, 2015 | $ / shares	$ 31.27
Granted, Weighted Average Exercise Price (usd per share) | $ / shares	0.00
Exercised, Weighted Average Exercise Price (usd per share) | $ / shares	24.57
Forfeited, Weighted Average Exercise Price (usd per share) | $ / shares	44.42
Outstanding as of November 30, 2015 | $ / shares	31.52
Exercisable as of November 30, 2015 | $ / shares	$ 26.62