CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Net sales	$ 193,518	$ 197,974	$ 373,825	$ 384,628
Cost of goods sold	118,175	120,541	223,673	234,426
Gross profit	75,343	77,433	150,152	150,202
Selling, general, and administrative expenses	40,012	41,994	79,169	78,547
Technical, product engineering, and research expenses	14,397	14,631	28,266	27,693
Restructuring and other, net	1,957	24,321	3,139	24,957
Operating income	18,977	(3,513)	39,578	19,005
Interest expense, net	2,717	3,547	5,635	7,572
Other (income)/expenses, net	(2,133)	2,211	(2,600)	2,945
Income before income taxes	18,393	(9,271)	36,543	8,488
Income tax expense	7,216	(2,243)	14,673	4,005
Income from continuing operations	11,177	(7,028)	21,870	4,483
Loss from operations of discontinued business		(575)		(575)
Income tax benefit on discontinued operations		(224)		(224)
Loss from discontinued operations		(351)		(351)
Net income/(loss)	11,177	(7,379)	21,870	4,132
Net income attributable to the noncontrolling interest	(42)		30
Net income/(loss) attributable to the Company	$ 11,219	$ (7,379)	$ 21,840	$ 4,132
Earnings per share attributable to Company shareholders - Basic
Income/(loss) from continuing operations	$ 0.35	$ (0.22)	$ 0.69	$ 0.14
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ (0.01)
Net income/(loss) attributable to the Company	$ 0.35	$ (0.23)	$ 0.69	$ 0.13
Earnings per share attributable to Company shareholders - Diluted
Income/(loss) from continuing operations	$ 0.35	$ (0.22)	$ 0.68	$ 0.14
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ (0.01)
Net income/(loss) attributable to the Company	$ 0.35	$ (0.23)	$ 0.68	$ 0.13
Shares of the Company used in computing earnings per share:
Basic	31,832	31,628	31,809	31,562
Diluted	31,935	31,628	31,913	31,687
Dividends per share	$ 0.16	$ 0.15	$ 0.31	$ 0.29