Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended May. 31, 2015 - 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. 28, 2015	$ 420,052	$ 25,732	$ 27,706	$ 389,446	$ (22,832)
Balance (shares) at Feb. 28, 2015		25,732
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Stock Compensation	771	$ 0	771
Restricted Stock Units (shares)		2
Restricted Stock Units	(38)	$ 2	(40)
Stock Issued for Stock Appreciation Rights Shares		7
Stock Issued For Stock Appreciation Rights	(158)	$ 7	(165)
Employee Stock Purchase Plan (shares)		30
Employee Stock Purchase Plan	1,086	$ 30	1,056
Federal Income Tax Deducted on Stock Options and SARs	(138)		(138)
Cash Dividend Paid	(3,865)			(3,865)
Net Income	19,924			19,924
Foreign Currency Translation	(363)				(363)
Interest rate swap, net of $7 income tax	(14)				(14)
Balance at May. 31, 2015	$ 437,257	$ 25,771	$ 29,190	$ 405,505	$ (23,209)
Balance (shares) at May. 31, 2015		25,771