Stock Compensation - Schedule By Exercise Price Range (Details) (USD $)					12 Months Ended
	Feb. 28, 2014 Stock Appreciation Rights SARS and Stock Option [Member]	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, 2014 $9.06 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $15.84 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $20.91 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $25.67 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $31.76 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $45.36 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $45.26 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $42.08 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $46.43 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $39.65 [Member] Stock Appreciation Rights SARS and Stock Option [Member]	Feb. 28, 2014 $9.06 - $45.36 [Member]	Feb. 28, 2014 $9.06 - $45.36 [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	$ 31.76	$ 45.36	$ 45.26	$ 42.08	$ 46.43	$ 39.65
Total Options/ SAR’s (shares)	396,174	439,863	573,000	831,518	51,832	60,259	83,874	84,329	1,993	69,477	40,000	2,226	759	1,425		396,174
Average Remaining Life					2 years	3 years	4 years	5 years	5 years	6 years	6 years	6 years	6 years	6 years		4 years 4 months 16 days
Weighted Average Exercise Price, Outstanding (usd per share)	$ 26.64	$ 19.12	$ 15.46	$ 14.14	$ 9.06	$ 15.84	$ 20.91	$ 25.67	$ 31.76	$ 45.36	$ 45.26	$ 42.08	$ 46.43	$ 39.65		$ 26.64
Options / SAR’s Currently Exercisable (shares)	153,343	115,395	123,090		51,832	60,259	29,004	11,584	664	0	0	0	0	0		153,343
Weighted Average Exercise Price, Exercisable (usd per share)	$ 15.32	$ 13.14	$ 12.11		$ 9.06	$ 15.84	$ 20.91	$ 25.67	$ 31.76	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00		$ 15.32
Exercise price range, lower limit (usd per share)															$ 9.06
Exercise price range, upper limit (usd per share)															$ 45.36