CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, unless otherwise specified	Total	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Common Stock Par Value	Treasury Stock	Capital in Excess of Par Value	Non-Controlling Interest
Balance at Dec. 31, 2012	$ 1,380,498	$ 1,513,558	$ 60,683	$ 840	$ (625,401)	$ 430,210	$ 608
Increase (Decrease) in Stockholders' Equity
Net Income	89,858	89,831					27
Foreign currency translation adjustments	(29,062)		(29,067)				5
Changes in unrecognized pension gains/losses and related amortization, net of tax	2,194		2,194
Changes in treasury locks, net of tax	30		30
Stock option exercises & restricted stock vestings	44,835			10	1	44,824
Cash dividends declared on common stock	(33,103)	(33,103)
Treasury stock purchased	(44,588)				(44,588)
Balance at Jun. 30, 2013	1,410,662	1,570,286	33,840	850	(669,988)	475,034	640
Balance at Dec. 31, 2013	1,480,308	1,619,419	109,751	853	(744,213)	493,947	551
Increase (Decrease) in Stockholders' Equity
Net Income	101,492	101,465					27
Foreign currency translation adjustments	(4,601)		(4,592)				(9)
Changes in unrecognized pension gains/losses and related amortization, net of tax	1,435		1,435
Changes in treasury locks, net of tax	12		12
Stock option exercises & restricted stock vestings	35,743			5	1	35,737
Cash dividends declared on common stock	(34,693)	(34,693)
Treasury stock purchased	(52,884)				(52,884)
Balance at Jun. 30, 2014	$ 1,526,812	$ 1,686,191	$ 106,606	$ 858	$ (797,096)	$ 529,684	$ 569