CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Net sales	$ 188,553	$ 206,722
Cost of goods sold	116,719	117,877
Gross profit	71,834	88,845
Selling, general, and administrative expenses	48,815	47,476
Technical, product engineering, and research expenses	12,939	14,354
Restructuring and other, net	258	34
Pension settlement expense	9,175
Operating income	647	26,981
Interest expense, net	4,644	4,776
Other expense, net	4,548	4,813
(Loss)/income before income taxes	(8,545)	17,392
Income tax (benefit)/expense	(9,379)	3,988
Income from continuing operations	834	13,404
Income from operations of discontinued business	460	4,650
Gain on sale of discontinued business	57,968
Income taxes on discontinued operations	12,221	1,321
Income from discontinued operations	46,207	3,329
Net income	$ 47,041	$ 16,733
Earnings per share - Basic
Income from continuing operations	$ 0.03	$ 0.43
Discontinued operations	$ 1.47	$ 0.11
Net income	$ 1.5	$ 0.54
Earnings per share - Diluted
Income from continuing operations	$ 0.03	$ 0.43
Discontinued operations	$ 1.46	$ 0.1
Net income	$ 1.49	$ 0.53
Shares used in computing earnings per share:
Basic	31,309	31,223
Diluted	31,533	31,384
Dividends per share	$ 0.13	$ 0.12