Consolidated Statement Of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 907,548	$ 872,940	$ 2,758,492	$ 2,544,094
Cost of goods sold	506,882	492,542	1,553,300	1,427,630
Gross profit	400,666	380,398	1,205,192	1,116,464
Research and development expenses	75,302	73,762	228,545	218,649
Selling and administrative expenses	157,796	145,652	457,847	428,675
Amortization of acquisition-related intangibles	9,003	8,766	27,772	24,327
Restructuring and other charges, net	927	3,249	2,830	14,183
Gains on sales of fixed assets	(1,630)	(31)	(435)	(120)
Operating profit	159,268	149,000	488,633	430,750
Interest expense	23,914	19,221	93,755	49,584
Other income, net	(4,158)	(11,547)	(25,389)	(40,687)
Income before taxes	100,702	141,326	381,457	421,853
Taxes on income	4,986	31,065	57,176	86,033
Net income	95,716	110,261	324,281	335,820
Other comprehensive income, after tax:
Foreign currency translation adjustments	(27,587)	19,719	(98,048)	29,809
Gains (losses) on derivatives qualifying as hedges	2,421	(4,014)	12,347	(17,533)
Pension and postretirement net liability	2,559	3,845	8,078	11,168
Net current period other comprehensive income (loss)	(22,607)	19,550	(77,623)	23,444
Total comprehensive income	$ 73,109	$ 129,811	$ 246,658	$ 359,264
Net income per share - basic, in dollars per share	$ 1.18	$ 1.39	$ 4.06	$ 4.24
Net income per share - diluted, in dollars per share	$ 1.17	$ 1.39	$ 4.04	$ 4.22
Average number of shares outstanding - basic	81,263	79,063	79,783	79,072
Average number of shares outstanding - diluted	81,647	79,362	80,115	79,353
Dividends declared per share, in dollars per share	$ 0.73	$ 0.69	$ 2.11	$ 1.97