CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 3,028,674	$ 2,624,431	$ 2,274,614
Cost of goods sold	2,000,153	1,749,324	1,488,055
Gross profit	1,028,521	875,107	786,559
Selling, general & administrative expenses	627,697	541,225	468,597
Rationalization and asset impairment charges (Notes 5 and 7)	25,285	6,590	0
Loss on deconsolidation of Venezuelan subsidiary (Note 1)	0	0	34,348
Bargain purchase gain (Note 4)	0	(49,650)	0
Operating income	375,539	376,942	283,614
Other income (expense):
Interest income	6,938	4,788	2,092
Interest expense	(24,503)	(24,220)	(19,079)
Total other income (expense)	10,686	8,726	10,761
Interest Income (Expense), Net	17,565	19,432	16,987
Income before income taxes	368,660	366,236	277,388
Income taxes (Note 14)	81,667	118,761	79,015
Net income including non-controlling interests	286,993	247,475	198,373
Non-controlling interests in subsidiaries' loss	(73)	(28)	(26)
Net income	$ 287,066	$ 247,503	$ 198,399
Basic earnings per share	$ 4.42	$ 3.76	$ 2.94
Diluted earnings per share	4.37	3.71	2.91
Cash dividends declared per share	$ 1.64	$ 1.44	$ 1.31