CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands	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, 2009	$ 1,851,683	$ 12,565	$ 567,247	$ 1,649,804	$ 72,457	$ (498,341)	$ 47,951
Increase (Decrease) in Stockholders' Equity
Net income	94,026			90,422			3,604	94,026
Unrecognized gain reclassified to earnings, net of tax of $168	(263)				(263)			(263)
Translation adjustment	(53,787)				(52,762)		(1,025)	(53,787)
Pension liability adjustment, net of tax effect of $4,501 and $3,298 in 2011 and 2010, respectively	5,738				5,738			5,738
Total comprehensive income	45,714							45,714
Cash dividends declared on common stock ($0.48 and $0.46 per share in 2011 and 2010, respectively)	(51,658)			(51,658)
Stock incentive programs and related tax withholdings (235,137 and 907,906 shares in 2011 and 2010, respectively)	(13,315)	90	(13,405)
Excess tax benefit from share-based compensation arrangements	3,522		3,522
Share-based compensation	9,257		9,257
Purchase of subsidiary shares from noncontrolling interests	(15,879)		(8,007)				(7,872)
Balance at Jun. 30, 2010	1,829,324	12,655	558,614	1,688,568	25,170	(498,341)	42,658
Balance at Dec. 31, 2010	1,927,432	12,663	568,035	1,751,908	91,117	(544,100)	47,809
Increase (Decrease) in Stockholders' Equity
Net income	108,356			105,462			2,894	108,356
Unrecognized gain reclassified to earnings, net of tax of $168	(263)				(263)			(263)
Translation adjustment	65,707				63,616		2,091	65,707
Pension liability adjustment, net of tax effect of $4,501 and $3,298 in 2011 and 2010, respectively	8,194				8,194			8,194
Total comprehensive income	181,994							181,994
Cash dividends declared on common stock ($0.48 and $0.46 per share in 2011 and 2010, respectively)	(52,395)			(52,395)
Stock incentive programs and related tax withholdings (235,137 and 907,906 shares in 2011 and 2010, respectively)	(3,676)	23	(3,699)
Excess tax benefit from share-based compensation arrangements	885		885
Share-based compensation	8,743		8,743
Purchase of subsidiary shares from noncontrolling interests	(380)		(170)				(210)
Purchase of 3,813,920 shares of common stock	(123,142)					(123,142)
Balance at Jun. 30, 2011	$ 1,939,461	$ 12,686	$ 573,794	$ 1,804,975	$ 162,664	$ (667,242)	$ 52,584