CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ 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	$ 626,858	$ 592,418	$ 1,207,755	$ 1,143,140
Cost of goods sold	409,370	389,491	786,411	751,111
Gross profit	217,488	202,927	421,344	392,029
Selling, general & administrative expenses	129,846	120,497	252,216	234,307
Loss on deconsolidation of Venezuelan subsidiary (Note 1)	0	34,348	0	34,348
Operating income	87,642	48,082	169,128	123,374
Other income (expense):
Interest income	1,245	435	2,022	865
Equity earnings in affiliates	440	839	1,235	1,465
Other income	936	588	1,892	1,249
Interest expense	(6,297)	(4,186)	(12,411)	(8,013)
Total other income (expense)	(3,676)	(2,324)	(7,262)	(4,434)
Income before income taxes	83,966	45,758	161,866	118,940
Income taxes (Note 12)	22,635	14,449	44,687	34,007
Net income including non-controlling interests	61,331	31,309	117,179	84,933
Non-controlling interests in subsidiaries’ loss	(21)	(8)	(17)	(22)
Net income	$ 61,352	$ 31,317	$ 117,196	$ 84,955
Basic earnings (loss) per share (in dollars per share)	$ 0.93	$ 0.46	$ 1.78	$ 1.23
Diluted earnings (loss) per share (in dollars per share)	0.92	0.45	1.76	1.22
Cash dividends declared per share (in dollars per share)	$ 0.35	$ 0.32	$ 0.7	$ 0.64