CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY (USD $) In Thousands, except Share data	Total	Common stock [Member]	Capital in excess of par value [Member]	Retained earnings [Member]	Accumulated other comprehensive (loss) income [Member]	Treasury stock [Member]	Noncontrolling interest [Member]
Balance at Dec. 31, 2009		$ 14,470	$ 110,374	$ 2,339,205	$ (270,974)	$ (1,424,072)	$ 2,907
Balance, Shares at Dec. 31, 2009						(36,604,447)
Net income	263,557			263,557			826
Cumulative translation adjustment	(6,220)				(6,220)
Gains (losses) on derivatives qualifying as hedges; net of tax	(1,442)				(1,442)
Pension liability and postretirement adjustment; net of tax	3,285				3,285
Cash dividends declared				(83,056)
Stock options/SSAR's, value			(333)			30,461
Stock options/SSAR's, shares	779,317					779,317
Vested restricted stock units and awards, value			(11,544)			4,337
Vested restricted stock units and awards, shares						111,484
Stock-based compensation, value			13,844			6,062
Stock-based compensation, shares						162,171
Other			11,468
Balance at Dec. 31, 2010		14,470	123,809	2,519,706	(275,351)	(1,383,212)	3,733
Balance, shares at Dec. 31, 2010						(35,551,475)
Net income	266,866			266,866			(738)
Cumulative translation adjustment	(36,581)				(36,581)
Gains (losses) on derivatives qualifying as hedges; net of tax	8,420				8,420
Pension liability and postretirement adjustment; net of tax	(71,797)				(71,797)
Cash dividends declared				(93,679)
Stock options/SSAR's, value			517			15,018
Stock options/SSAR's, shares						385,405
Vested restricted stock units and awards, value			(16,284)			7,449
Vested restricted stock units and awards, shares						190,813
Stock-based compensation, value			20,589			4,472
Stock-based compensation, shares						134,625
Balance at Dec. 31, 2011	1,107,407	14,470	128,631	2,692,893	(375,309)	(1,356,273)	2,995
Balance, shares at Dec. 31, 2011	34,840,632					(34,840,632)
Net income	254,134			254,134			752
Cumulative translation adjustment	17,687				17,687
Gains (losses) on derivatives qualifying as hedges; net of tax	(4,455)				(4,455)
Pension liability and postretirement adjustment; net of tax	(41,548)				(41,548)
Cash dividends declared				105,861
Stock options/SSAR's, value			4,248			13,144
Stock options/SSAR's, shares						336,296
Vested restricted stock units and awards, value			(23,113)			10,298
Vested restricted stock units and awards, shares						263,645
Stock-based compensation, value			17,738			2,124
Stock-based compensation, shares						105,725
Balance at Dec. 31, 2012	$ 1,252,555	$ 14,470	$ 127,504	$ 2,841,166	$ (403,625)	$ (1,330,707)	$ 3,747
Balance, shares at Dec. 31, 2012	34,134,966					(34,134,966)