Statement of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Nov. 30, 2011	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2011
Net sales	$ 206,803	$ 530,465	$ 422,778	$ 163,167
Cost of sales	146,960	383,072	333,650	128,570
Gross profit	59,843	147,393	89,128	34,597
Operating expenses:
Selling	12,620	35,723	25,951	9,498
General and administrative	24,740	68,159	50,034	16,674
Engineering and technical support	4,021	11,839	9,052	3,023
Acquisition-related costs	25	1,607	0	0
Total operating expenses	41,406	117,328	85,037	29,195
Operating income (loss)	18,437	30,065	4,091	5,402
Other (expense) income:
Interest and bank charges	1,371	4,246	1,392	471
Equity in income of equity investees	1,236	3,255	2,348	600
Other, net	(3,308)	(4,054)	2,363	363
Total other (expense) income, net	(3,443)	(5,045)	3,319	492
Income before income taxes	14,994	25,020	7,410	5,894
Income tax expense	6,136	10,237	1,786	2,035
Net income	$ 8,858	$ 14,783	$ 5,624	$ 3,859
Net income per common share (basic)	$ 0.38	$ 0.64	$ 0.25	$ 0.17
Net income per common share (diluted)	$ 0.38	$ 0.64	$ 0.24	$ 0.17
Weighted-average common shares outstanding (basic)	23,074,030	23,073,983	22,904,746	22,934,211
Weighted-average common shares outstanding (diluted)	23,074,030	23,203,504	23,057,969	23,098,948