Unaudited Consolidated Statement of Changes in Shareholders' Equity - 3 months ended May 31, 2018 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Beginning balance at Feb. 28, 2018	$ 261,704	$ 75,134	$ 121,333	$ 164,177	$ (16,428)	$ (82,512)
Beginning balance common stock, shares at Feb. 28, 2018	30,053,443	30,053,443
Beginning balance, treasury stock, shares at Feb. 28, 2018						(4,789,228)
Net earnings	$ 9,247			9,247
Adjustment to pension, net of deferred tax of $87	261				261
Dividends paid ($0.20 per share)	(5,083)			(5,083)
Stock based compensation	327		327
Exercise of stock options and restricted stock			(1,390)			$ 1,390
Exercise of stock options and restricted stock, shares						80,692
Common stock repurchases	$ (680)					$ (680)
Common stock repurchases, shares	(37,943)					(37,943)
Ending balance at May. 31, 2018	$ 265,776	$ 75,134	$ 120,270	$ 168,341	$ (16,167)	$ (81,802)
Ending balance common stock, shares at May. 31, 2018	30,053,443	30,053,443
Ending balance treasury stock, shares at May. 31, 2018						(4,746,479)