CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Net sales	$ 186,654	$ 180,077
Cost of goods sold	113,885	111,791
Gross profit	72,769	68,286
Selling, general, and administrative expenses	36,553	47,023
Technical, product engineering, and research expenses	13,062	12,739
Restructuring and other, net	636	258
Pension settlement expense		9,175
Operating income/(loss)	22,518	(909)
Interest expense, net	4,025	4,644
Other expense, net	734	4,548
Income/(loss) before income taxes	17,759	(10,101)
Income tax expense/(benefit)	6,248	(9,972)
Income/(loss) from continuing operations	11,511	(129)
Income from operations of discontinued business		2,016
Gain on sale of discontinued business		57,968
Income taxes on discontinued operations		12,814
Income from discontinued operations		47,170
Net income	$ 11,511	$ 47,041
Earnings per share - Basic
Income from continuing operations	$ 0.37	$ 0.00
Discontinued operations	$ 0.00	$ 1.50
Net income	$ 0.37	$ 1.50
Earnings per share - Diluted
Income from continuing operations	$ 0.36	$ 0.00
Discontinued operations	$ 0.00	$ 1.49
Net income	$ 0.36	$ 1.49
Shares used in computing earnings per share:
Basic	31,496	31,309
Diluted	31,782	31,533
Dividends per share	$ 0.14	$ 0.13