Consolidated Statements of Changes in Shareowners' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock
Beginning Balance at Feb. 28, 2010		$ 380	$ 79,784	$ 43,541	$ (56,774)
Beginning Balance (in shares) at Feb. 28, 2010		18,979,796			(6,074,567)
Net Income	12,044			12,044
Issuance of Common Stock, Net of Cancellations (in shares)		14,096
Issuance of Common Stock, Net of Cancellations			16
Compensatory Effect of Stock Plans			204
Purchase of Treasury Stock(Shares)	(16,000)				(15,765)
Purchase of Treasury Stock	(111)				(111)
Ending Balance at Feb. 28, 2011		380	80,004	55,585	(56,885)
Ending Balance (in shares) at Feb. 28, 2011		18,993,892			(6,090,332)
Net Income	28,467			28,467
Issuance of Common Stock, Net of Cancellations (in shares)		37,091
Issuance of Common Stock, Net of Cancellations		1	137
Compensatory Effect of Stock Plans			299
Purchase of Treasury Stock(Shares)	(2,450,000)				(2,450,452)
Purchase of Treasury Stock	(17,538)				(17,538)
Ending Balance at Feb. 29, 2012	87,980	381	80,440	84,052	(74,423)
Ending Balance (in shares) at Feb. 29, 2012		19,030,983			(8,540,784)
Net Income	8,994			8,994
Issuance of Common Stock, Net of Cancellations (in shares)		27,940
Issuance of Common Stock, Net of Cancellations			7
Compensatory Effect of Stock Plans			642
Purchase of Treasury Stock(Shares)	(283,000)				(283,388)
Purchase of Treasury Stock	(2,233)				(2,333)
Ending Balance at Feb. 28, 2013	$ 94,936	$ 381	$ 81,089	$ 93,046	$ (76,756)
Ending Balance (in shares) at Feb. 28, 2013		19,058,923			(8,824,172)