Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended May 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)		0
Stock Compensation	1,112	$ 0	1,112
Restricted Stock Units (shares)		20
Restricted Stock Units	(481)	$ 20	(501)
Stock Issued for Stock Appreciation Rights Shares		7
Stock Issued For Stock Appreciation Rights	(40)	$ 7	(47)
Employee Stock Purchase Plan (shares)		30
Employee Stock Purchase Plan	1,212	$ 30	1,182
Federal Income Tax Deducted on Stock Options and SARs	231		231
Cash Dividend Paid	3,888			(3,888)
Net Income	21,063
Foreign Currency Translation	2,479				2,479
Interest rate swap, net of $7 income tax	(14)				(14)
Balance at May. 31, 2016	$ 502,890	$ 25,931	$ 37,125	$ 467,929	$ (28,095)
Balance (shares) at May. 31, 2016		25,931