Consolidated Statement Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net sales	$ 872,940	$ 777,001	$ 2,544,094	$ 2,353,790
Cost of goods sold	490,884	430,733	1,422,783	1,281,673
Gross profit	382,056	346,268	1,121,311	1,072,117
Research and development expenses	70,932	64,415	210,963	191,052
Selling and administrative expenses	141,473	152,046	417,713	408,372
Amortization of acquisition-related intangibles	8,766	5,468	24,327	16,659
Restructuring and other charges, net	3,249	0	14,183	0
Gain on sales of fixed assets	(31)	(87)	(120)	(2,998)
Operating profit	157,667	124,426	454,245	459,032
Interest expense	19,221	13,111	49,584	40,649
Other (income) expense, net	(2,880)	(2,075)	(17,192)	(1,954)
Income before taxes	141,326	113,390	421,853	420,337
Taxes on income	31,065	23,613	86,033	95,223
Net income	110,261	89,777	335,820	325,114
Other comprehensive income, after tax:
Foreign currency translation adjustments	19,719	(6,191)	29,809	3,198
(Losses) gains on derivatives qualifying as hedges	(4,014)	268	(17,533)	(9,124)
Pension and postretirement net liability	3,845	2,586	11,168	7,719
Net current period other comprehensive income (loss)	19,550	(3,337)	23,444	1,793
Total comprehensive income	$ 129,811	$ 86,440	$ 359,264	$ 326,907
Net income per share - basic, in dollars per share	$ 1.39	$ 1.13	$ 4.24	$ 4.07
Net income per share - diluted, in dollars per share	$ 1.39	$ 1.12	$ 4.22	$ 4.05
Average number of shares outstanding - basic	79,063	79,580	79,072	79,727
Average number of shares outstanding - diluted	79,362	79,935	79,353	80,067
Dividends declared per share, in dollars per share	$ 0.69	$ 0.64	$ 1.97	$ 1.76