CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY - USD ($) $ in Thousands	Total	Common stock	Capital in excess of par value	Retained earnings	Accumulated other comprehensive (loss) income	Treasury stock	Non-controlling interest
Beginning Balance at Dec. 31, 2018	$ 6,043,374	$ 16,066	$ 3,793,609	$ 3,956,221	$ (702,227)	$ (1,030,718)	$ 10,423
Beginning Balance, shares at Dec. 31, 2018						21,906,935
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	109,673			108,829			844
Cumulative translation adjustment	42,377				42,377
Gains (losses) on derivatives qualifying as hedges; net of tax	(97)				(97)
Pension and postretirement net liability	2,593				2,593
Cash dividends declared	(77,799)			(77,799)
Stock options/SSARs	4,084		3,424			$ 660
Stock options, shares						13,978
Vested restricted stock units and awards	(1,776)		(2,405)			$ 629
Vested restricted stock units and awards, shares						13,401
Stock-based compensation	7,604		7,604
Redeemable NCI	370		370
Ending Balance at Mar. 31, 2019	6,154,478	16,066	3,802,602	4,011,326	(657,354)	$ (1,029,429)	11,267
Ending Balance, shares at Mar. 31, 2019						21,879,556
Beginning Balance at Dec. 31, 2019	$ 6,229,548	16,066	3,823,152	4,117,804	(716,894)	$ (1,022,824)	12,244
Beginning Balance, shares at Dec. 31, 2019	(21,738,838)					21,738,838
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 125,224			124,607			617
Cumulative translation adjustment	(452,278)				(452,278)
Gains (losses) on derivatives qualifying as hedges; net of tax	1,447				1,447
Pension and postretirement net liability	3,517				3,517
Cash dividends declared	(80,062)			(80,062)
Stock options/SSARs	182		(490)			$ 672
Stock options, shares						13,763
Vested restricted stock units and awards	(1,295)		(1,827)			$ 532
Vested restricted stock units and awards, shares						11,195
Stock-based compensation	8,624		8,624
Redeemable NCI	5,806		5,806
Dividends paid on noncontrolling interest and other	(39)			(2)			(37)
Ending Balance at Mar. 31, 2020	$ 5,840,674	$ 16,066	$ 3,835,265	$ 4,162,347	$ (1,164,208)	$ (1,021,620)	$ 12,824
Ending Balance, shares at Mar. 31, 2020	(21,713,880)					21,713,880