CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Capital In Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock Held In Treasury	Noncontrolling Interests	Comprehensive Income
Balance at Dec. 31, 2008	$ 1,382,543	$ 11,713	$ 345,982	$ 1,599,178	$ (112,001)	$ (498,341)	$ 36,012
Increase (Decrease) in Shareholders' Equity
Net income	152,510			147,221			5,289	152,510
Unrecognized gain reclassified to earnings, net of tax $(336), $(337) and $(337) in 2011, 2010 and 2009, respectively	(526)				(526)			(526)
Translation adjustment	165,281				158,631		6,650	165,281
Pension and other postretirement liability adjustment, net of tax effect $(37,904), $(2,145) and $(15,148) in 2011, 2010 and 2009, respectively	26,353				26,353			26,353
Total comprehensive income	343,618							343,618
Cash dividends declared on common stock ($0.96, $0.92 and $0.90 per share in 2011, 2010 and 2009, respectively)	(96,595)			(96,595)
Stock incentive programs and related tax effects (309,942, 981,364 and 340,549 shares in 2011, 2010 and 2009, respectively)	(3,152)	34	(3,186)
Excess tax benefit from share-based compensation arrangements	1,856		1,856
Share-based compensation	20,604		20,604
Common stock issued (8,175,000 shares)	202,809	818	201,991
Balance at Dec. 31, 2009	1,851,683	12,565	567,247	1,649,804	72,457	(498,341)	47,951
Increase (Decrease) in Shareholders' Equity
Net income	211,466			205,111			6,355	211,466
Unrecognized gain reclassified to earnings, net of tax $(336), $(337) and $(337) in 2011, 2010 and 2009, respectively	(527)				(527)			(527)
Translation adjustment	24,422				23,047		1,375	24,422
Pension and other postretirement liability adjustment, net of tax effect $(37,904), $(2,145) and $(15,148) in 2011, 2010 and 2009, respectively	(3,860)				(3,860)			(3,860)
Total comprehensive income	231,501							231,501
Cash dividends declared on common stock ($0.96, $0.92 and $0.90 per share in 2011, 2010 and 2009, respectively)	(103,007)			(103,007)
Stock incentive programs and related tax effects (309,942, 981,364 and 340,549 shares in 2011, 2010 and 2009, respectively)	(14,881)	98	(14,979)
Excess tax benefit from share-based compensation arrangements	5,379		5,379
Share-based compensation	18,395		18,395
Purchase of subsidiary shares from noncontrolling interests	(15,879)		(8,007)				(7,872)
Purchase of 5,000,000 and 1,531,200 shares of common stock for the treasury in 2011 and 2010, respectively	(45,759)					(45,759)
Balance at Dec. 31, 2010	1,927,432	12,663	568,035	1,751,908	91,117	(544,100)	47,809
Increase (Decrease) in Shareholders' Equity
Net income	187,323			184,081			3,242	187,323
Unrecognized gain reclassified to earnings, net of tax $(336), $(337) and $(337) in 2011, 2010 and 2009, respectively	(526)				(526)			(526)
Translation adjustment	(124,154)				(126,195)		2,041	(124,154)
Pension and other postretirement liability adjustment, net of tax effect $(37,904), $(2,145) and $(15,148) in 2011, 2010 and 2009, respectively	(66,804)				(66,804)			(66,804)
Total comprehensive income	(4,161)							(4,161)
Cash dividends declared on common stock ($0.96, $0.92 and $0.90 per share in 2011, 2010 and 2009, respectively)	(103,096)			(103,096)
Stock incentive programs and related tax effects (309,942, 981,364 and 340,549 shares in 2011, 2010 and 2009, respectively)	(5,008)	31	(5,039)
Excess tax benefit from share-based compensation arrangements	1,381		1,381
Share-based compensation	16,349		16,349
Purchase of subsidiary shares from noncontrolling interests	(89,713)		(48,285)		11,664		(53,092)
Purchase of 5,000,000 and 1,531,200 shares of common stock for the treasury in 2011 and 2010, respectively	(161,081)					(161,081)
Balance at Dec. 31, 2011	$ 1,582,103	$ 12,694	$ 532,441	$ 1,832,893	$ (90,744)	$ (705,181)