CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Income Statement [Abstract]
Net sales	$ 648,746		$ 657,686		$ 1,276,317		$ 1,303,299
Operating costs and expenses:
Cost of sales	426,025		436,095		835,844		865,717
Selling, general and administrative	133,875		137,467		264,727		275,161
Restructuring Charges	0		14,747		0		14,747
Operating profit from continuing operations	88,846		69,377		175,746		147,674
Other income (expense):
Interest income	519		454		1,151		849
Interest expense	(7,245)		(6,785)		(13,963)		(13,496)
Miscellaneous - net	406		(351)		286		(698)
Nonoperating Income (Expense), Total	(6,320)		(6,682)		(12,526)		(13,345)
Income from Continuing Operations Before Income Taxes	82,526		62,695		163,220		134,329
Provision for Income Taxes	27,112		19,857		49,864		40,518
Income from Continuing Operations	55,414		42,838		113,356		93,811
Discontinued Operations:
Income from Discontinued Operations, net of tax	0		1,633		0		2,456
Gain from Sales of Discontinued Operations, net of tax	0		18,276		0		18,276
Discontinued Operations, net of tax	0		19,909		0		20,732
Net income before allocation to noncontrolling interests	55,414		62,747		113,356		114,543
Less: Noncontrolling interest in subsidiaries' earnings	540		185		691		319
Net income attributable to common shareholders	$ 54,874		$ 62,562		$ 112,665		$ 114,224
Earnings per share - basic: (a)
Income from continuing operations attributable to common shareholders	$ 0.95		$ 0.74		$ 1.95		$ 1.62
Discontinued operations, net of tax	$ 0.00		$ 0.34		$ 0.00		$ 0.36
Net income attributable to common shareholders	$ 0.95		$ 1.08		$ 1.95		$ 1.98
Earnings per share - diluted: (a)
Income from continuing operations attributable to common shareholders	$ 0.93	[1]	$ 0.73	[1]	$ 1.92	[1]	$ 1.59	[1]
Discontinued operations, net of tax	$ 0.00	[1]	$ 0.34	[1]	$ 0.00	[1]	$ 0.35	[1]
Net income attributable to common shareholders	$ 0.93	[1]	$ 1.07	[1]	$ 1.92	[1]	$ 1.95	[1]
Average basic shares outstanding	57,908		57,762		57,684		57,787
Average diluted shares outstanding	58,828		58,614		58,594		58,704
Dividends per share	$ 0.28		$ 0.26		$ 0.56		$ 0.52

[1] EPS amounts may not add due to rounding