CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Common Stock Par Value	Treasury Stock	Capital in Excess of Par Value	Non-Controlling Interest	Total
Balance at Dec. 31, 2013	$ 1,619,419	$ 109,751	$ 853	$ (744,213)	$ 493,947	$ 551	$ 1,480,308
Increase (Decrease) in Stockholders' Equity
Net Income	101,465					27	101,492
Foreign currency translation adjustments		(4,592)				(9)	(4,601)
Changes in unrecognized pension 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			5	1	35,737		35,743
Cash dividends declared on common stock	(34,693)						(34,693)
Treasury stock purchased				(52,884)			(52,884)
Balance at Jun. 30, 2014	1,686,191	106,606	858	(797,096)	529,684	569	1,526,812
Balance at Dec. 31, 2014	1,740,005	(110,045)	862	(1,034,728)	507,313	509	1,103,916
Increase (Decrease) in Stockholders' Equity
Net Income	102,710					(70)	102,640
Foreign currency translation adjustments		(94,147)					(94,147)
Changes in unrecognized pension losses and related amortization, net of tax		2,342					2,342
Changes in treasury locks, net of tax		13					13
Stock option exercises & restricted stock vestings			7	2	48,470		48,479
Cash dividends declared on common stock	(34,929)						(34,929)
Non Controlling Interest Repurchased					(476)	(148)	(624)
Balance at Jun. 30, 2015	$ 1,807,786	$ (201,837)	$ 869	$ (1,034,726)	$ 555,307	$ 291	$ 1,127,690