Stock Compensation - Schedule By Exercise Price Range (Details) (USD $)					12 Months Ended
	Feb. 28, 2013 Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 29, 2012 Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2011 Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2010 Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2013 $9.06 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2013 $15.84 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2013 $20.91 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2013 $25.67 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2013 $9.06 - $25.67 [Member]	Feb. 28, 2013 $9.06 - $25.67 [Member] Stock Appreciation Rights SARS and Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices (usd per share)					$ 9.06	$ 15.835	$ 20.905	$ 25.67
Total Options/ SAR’s (shares)	439,863	573,000	831,518	950,282	59,222	127,644	134,890	118,107		439,863
Average Remaining Life					3 years	4 years	5 years	6 years		4 years 8 months 16 days
Weighted Average Exercise Price, Outstanding (usd per share)	$ 19.12	$ 15.46	$ 14.24	$ 10.93	$ 9.06	$ 15.84	$ 20.91	$ 25.67		$ 19.12
Options / SAR’s Currently Exercisable (shares)	115,395	123,090	487,396		59,222	38,405	17,767	0		115,394
Weighted Average Exercise Price, Exercisable (usd per share)	$ 13.14	$ 12.11	$ 13.60		$ 9.06	$ 15.84	$ 20.91	$ 0.00		$ 13.14
Exercise price range, lower limit (usd per share)									$ 9.06
Exercise price range, upper limit (usd per share)									$ 25.67