CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common stock [Member]	Capital in excess of par value [Member]	Retained earnings [Member]	Retained earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated other comprehensive (loss) income [Member]	Accumulated other comprehensive (loss) income [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Treasury stock [Member]	Non-controlling interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of ASU	$ 1,689,294		$ 14,470	$ 162,827	$ 3,870,621		$ (637,482)		$ (1,726,234)	$ 5,092
Adoption of ASU | Accounting Standards Update 2014-09 [Member]		$ 2,068				$ 2,068
Beginning Balance at Dec. 31, 2017	1,689,294		14,470	162,827	3,870,621		(637,482)		$ (1,726,234)	5,092
Beginning Balance (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2017		2,068				2,068
Beginning Balance, shares at Dec. 31, 2017									(36,910,809)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	339,706				337,302					2,404
Adoption of ASU	6,043,374		16,066	3,793,609	3,956,221		(702,227)		$ (1,030,718)	10,423
Adoption of ASU | Accounting Standards Update 2014-09 [Member]		2,068				2,068
Adoption of ASU | Accounting Standards Update 2016-02 [Member]		23,094				23,094
Adoption of ASU | Accounting Standards Update 2017-12 [Member]		0				(981)		$ 981
Cumulative translation adjustment	(99,580)						(99,580)
Gains (losses) on derivatives qualifying as hedges; net of tax	15,078						15,078
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect	19,757						19,757
Pension liability and postretirement adjustment; net of tax	19,757
Cash dividends declared	(253,577)				(253,577)
Stock options/SSARs	4,340			2,152					$ 2,188
Stock options, shares									46,474
Impact of Frutarom acquisition	2,051,040			1,346,229					$ 701,111	3,700
Impact of Frutarom acquisition, shares									14,901,445
Treasury share repurchases, shares									(108,109)
Treasury share repurchases, value	(15,475)								$ (15,475)
Vested restricted stock units and awards, value	(2,958)			(10,650)					$ 7,692
Vested restricted stock units and awards, shares									164,064
Stock-based compensation, value	29,401			29,401
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(966)				(193)					(773)
Tangible equity units	2,268,094		1,596	2,266,498
Redeemable NCI	(2,848)			(2,848)
Ending Balance at Dec. 31, 2018	6,043,374		16,066	3,793,609	3,956,221		(702,227)		$ (1,030,718)	10,423
Ending Balance (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018		23,094				23,094
Ending Balance (Accounting Standards Update 2017-12 [Member]) at Dec. 31, 2018		0				(981)		981
Ending Balance, shares at Dec. 31, 2018									(21,906,935)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of ASU	6,043,374		16,066	3,793,609	3,956,221		(702,227)		$ (1,030,718)	10,423
Adoption of ASU | Accounting Standards Update 2016-02 [Member]		23,094				23,094
Adoption of ASU | Accounting Standards Update 2017-12 [Member]		0				(981)		981
Net income	459,602				455,873					3,729
Adoption of ASU	6,229,548		16,066	3,823,152	4,117,804		(716,894)		(1,022,824)	12,244
Adoption of ASU | Accounting Standards Update 2016-02 [Member]		23,094				23,094
Adoption of ASU | Accounting Standards Update 2017-12 [Member]		$ 0				$ (981)		$ 981
Cumulative translation adjustment	23,953						22,972
Cumulative translation adjustment | Adjustments for New Accounting Pronouncement	22,972
Gains (losses) on derivatives qualifying as hedges; net of tax	(2,678)						(2,678)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect	(35,942)						(35,942)
Pension liability and postretirement adjustment; net of tax	(35,942)
Cash dividends declared	(315,770)				(315,770)
Stock options/SSARs	7,643			6,966					$ 677
Stock options, shares									14,346
Vested restricted stock units and awards, value	(2,591)			(9,808)					$ 7,217
Vested restricted stock units and awards, shares									153,751
Stock-based compensation, value	34,482			34,482
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(2,541)				(633)					(1,908)
Redeemable NCI	(2,097)			(2,097)
Ending Balance at Dec. 31, 2019	$ 6,229,548		16,066	3,823,152	4,117,804		(716,894)		$ (1,022,824)	12,244
Ending Balance, shares at Dec. 31, 2019	(21,738,838)								(21,738,838)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of ASU	$ 6,229,548		16,066	3,823,152	4,117,804		(716,894)		$ (1,022,824)	12,244
Net income	364,558				363,228					1,330
Adoption of ASU	6,323,035		16,066	3,853,401	4,156,168		(697,541)		(1,016,941)	11,882
Cumulative translation adjustment	88,132						88,132
Gains (losses) on derivatives qualifying as hedges; net of tax	(8,938)						(8,938)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect	(59,841)						(59,841)
Pension liability and postretirement adjustment; net of tax	(59,841)
Cash dividends declared	(324,861)				(324,861)
Stock options/SSARs	3,502			759					$ 2,743
Stock options, shares									57,652
Vested restricted stock units and awards, value	(4,971)			(8,111)					$ 3,140
Vested restricted stock units and awards, shares									93,039
Stock Issued During Period, Value, Issued for Services	35,798			35,798
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(1,695)				(3)					(1,692)
Redeemable NCI	1,803			1,803
Ending Balance at Dec. 31, 2020	$ 6,323,035		16,066	3,853,401	4,156,168		(697,541)		$ (1,016,941)	11,882
Ending Balance, shares at Dec. 31, 2020	(21,588,147)								21,588,147
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of ASU	$ 6,323,035		$ 16,066	$ 3,853,401	$ 4,156,168		$ (697,541)		$ (1,016,941)	$ 11,882