Statement of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Net sales	$ 245,814	$ 243,036	$ 622,604	$ 628,787
Cost of sales	177,016	173,087	445,191	453,656
Gross profit	68,798	69,949	177,413	175,131
Operating expenses:
Selling	15,026	13,515	40,751	38,227
General and administrative	31,422	29,650	89,403	84,466
Engineering and technical support	5,740	6,938	23,701	21,042
Restructuring expense	32	0	1,324	0
Acquisition-related costs	0	56	0	1,707
Total operating expenses	52,220	50,159	155,179	145,442
Operating income	16,578	19,790	22,234	29,689
Other (expense) income:
Interest and bank charges	(1,830)	(2,286)	(5,609)	(6,223)
Equity in income of equity investees	1,520	1,180	4,772	3,730
Other, net	5,565	776	11,293	(9,223)
Total other (expense) income, net	5,255	(330)	10,456	(11,716)
Income (loss) before income taxes	21,833	19,460	32,690	17,973
Income tax expense (benefit)	6,409	6,258	10,261	5,751
Net income (loss)	15,424	13,202	22,429	12,222
Foreign currency translation adjustments	4,658	1,469	4,096	(3,723)
Derivatives designated for hedging	(744)	(93)	(430)	7
Pension plan adjustments	(29)	0	(41)	0
Unrealized holding gain on available-for-sale investment securities arising during the period, net of tax	0	0	0	6
Other comprehensive income (loss), net of tax	3,885	1,376	3,625	(3,710)
Comprehensive income (loss)	$ 19,309	$ 14,578	$ 26,054	$ 8,512
Net income per common share (basic)	$ 0.63	$ 0.56	$ 0.93	$ 0.52
Net income per common share (diluted)	$ 0.63	$ 0.56	$ 0.93	$ 0.52
Weighted Average Number of Shares Outstanding, Basic	24,341,897	23,434,965	24,060,492	23,377,859
Weighted Average Number of Shares Outstanding, Diluted	24,424,956	23,536,140	24,209,611	23,593,040