CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Net sales	$ 179,861	$ 183,147	$ 553,686	$ 567,775
Cost of goods sold	111,242	115,146	334,915	349,572
Gross profit	68,619	68,001	218,771	218,203
Selling, general, and administrative expenses	33,618	39,143	112,787	117,690
Technical, product engineering, and research expenses	14,924	13,347	43,190	41,040
Restructuring and other, net	919	2,256	4,058	27,213
Operating income	19,158	13,255	58,736	32,260
Interest expense, net	2,486	3,484	8,121	11,056
Other (income)/expenses, net	(1,864)	2,692	(4,464)	5,637
Income before income taxes	18,536	7,079	55,079	15,567
Income tax expense	6,762	2,381	21,435	6,386
Income from continuing operations	11,774	4,698	33,644	9,181
Loss from operations of discontinued business				(575)
Income tax benefit on discontinued operations				(224)
Loss from discontinued operations				(351)
Net income	11,774	4,698	33,644	8,830
Net loss attributable to the noncontrolling interest	(38)		(8)
Net income attributable to the Company	$ 11,812	$ 4,698	$ 33,652	$ 8,830
Earnings per share attributable to Company shareholders - Basic
Income from continuing operations	$ 0.37	$ 0.15	$ 1.06	$ 0.29
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Net income attributable to the Company	$ 0.37	$ 0.15	$ 1.06	$ 0.28
Earnings per share attributable to Company shareholders - Diluted
Income from continuing operations	$ 0.37	$ 0.15	$ 1.05	$ 0.29
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Net income attributable to the Company	$ 0.37	$ 0.15	$ 1.05	$ 0.28
Shares of the Company used in computing earnings per share:
Basic	31,848	31,719	31,822	31,615
Diluted	31,946	31,841	31,924	31,744
Dividends per share	$ 0.16	$ 0.15	$ 0.47	$ 0.44