CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement [Abstract]
Net sales	$ 2,579,068	$ 2,500,369	$ 2,179,319
Operating costs and expenses
Cost of sales	1,709,949	1,653,238	1,437,376
Asbestos charge	0	241,647	0
Environmental charge	0	30,327	0
Restructuring charge	18,463	0	6,676
Selling, general and administrative	540,215	538,586	501,967
Total operating costs and expenses	2,268,627	2,463,798	1,946,019
Operating profit from continuing operations	310,441	36,571	233,300
Other income (expense):
Interest income	1,879	1,635	1,184
Interest expense	(26,831)	(26,255)	(26,841)
Miscellaneous (expense) income	(884)	2,810	1,424
Total other income (expense)	(25,836)	(21,810)	(24,233)
Income from continuing operations before income taxes	284,605	14,761	209,067
Provision (benefit) for income taxes	88,416	(8,055)	56,087
Income from continuing operations	196,189	22,816	152,980
Discontinued Operations:
Income from Discontinued Operations, net of tax	2,456	3,700	1,210
Gain from Sales of Discontinued Operations, net of tax	19,176	0	0
Discontinued Operations, net of tax	21,632	3,700	1,210
Net income before allocation to noncontrolling interests	217,821	26,516	154,190
Less: Noncontrolling interest in subsidiaries’ earnings	828	201	20
Net income attributable to common shareholders	$ 216,993	$ 26,315	$ 154,170
Earnings per share - basic:
Income from continuing operations attributable to common shareholders	$ 3.40	$ 0.39	$ 2.61
Discontinued operations, net of tax	$ 0.38	$ 0.06	$ 0.02
Net income attributable to common shareholders	$ 3.78	$ 0.45	$ 2.63
Average basic shares outstanding	57,443	58,120	58,601
Earnings per share - diluted:
Income from continuing operations attributable to common shareholders	$ 3.35	$ 0.38	$ 2.57
Discontinued operations, net of tax	$ 0.37	$ 0.06	$ 0.02
Net income attributable to common shareholders	$ 3.72	$ 0.44	$ 2.59
Average diluted shares outstanding	58,293	59,204	59,562