Consolidated Statement of Shareholders' Equity (Unaudited) - 6 months ended Aug. 31, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at Feb. 29, 2016	$ 481,216	$ 25,874	$ 35,148	$ 450,754	$ (30,560)
Balance (shares) at Feb. 29, 2016		25,874
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		13
Stock Compensation	3,198	$ 13	3,185
Restricted Stock Units (shares)		21
Restricted Stock Units	(502)	$ 21	(523)
Stock Issued for Stock Appreciation Rights Shares		71
Stock Issued For Stock Appreciation Rights	(224)	$ 71	(295)
Employee Stock Purchase Plan (shares)		30
Employee Stock Purchase Plan	1,212	$ 30	1,182
Cash Dividend Paid	7,787			(7,787)
Net Income	31,086
Foreign Currency Translation	2,683				2,683
Interest rate swap, net of $15 income tax	(27)				(27)
Balance at Aug. 31, 2016	$ 510,855	$ 26,009	$ 38,697	$ 474,053	$ (27,904)
Balance (shares) at Aug. 31, 2016		26,009