Consolidated Statement Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net sales	$ 842,861	$ 793,478	$ 1,671,154	$ 1,576,789
Cost of goods sold	468,272	427,837	931,899	850,940
Gross profit	374,589	365,641	739,255	725,849
Research and development expenses	70,320	63,252	140,031	126,637
Selling and administrative expenses	135,910	132,784	276,240	256,327
Amortization of acquisition-related intangibles	8,494	5,130	15,561	11,191
Restructuring and other charges, net	791	0	10,934	0
Gain on sales of fixed assets	(68)	(197)	(89)	(2,910)
Operating profit	159,142	164,672	296,578	334,604
Interest expense	17,556	15,060	30,363	27,539
Other (income) expense, net	(454)	(2,438)	(14,312)	118
Income before taxes	142,040	152,050	280,527	306,947
Taxes on income	32,245	35,317	54,968	71,610
Net income	109,795	116,733	225,559	235,337
Other comprehensive income, after tax:
Foreign currency translation adjustments	13,347	(4,689)	10,090	9,389
(Losses) gains on derivatives qualifying as hedges	(11,768)	800	(13,519)	(9,392)
Pension and postretirement net liability	3,688	2,578	7,323	5,133
Net current period other comprehensive income (loss)	5,267	(1,311)	3,894	5,130
Total comprehensive income	$ 115,062	$ 115,422	$ 229,453	$ 240,467
Net income per share - basic, in dollars per share	$ 1.39	$ 1.46	$ 2.85	$ 2.94
Net income per share - diluted, in dollars per share	$ 1.38	$ 1.46	$ 2.84	$ 2.93
Average number of shares outstanding - basic	79,072	79,764	79,088	79,809
Average number of shares outstanding - diluted	79,305	80,040	79,360	80,141
Dividends declared per share, in dollars per share	$ 0.64	$ 0.56	$ 1.28	$ 1.12