CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net sales	$ 715,777	$ 691,875	$ 2,129,370	$ 2,137,880
Cost of goods sold	474,168	459,178	1,411,158	1,438,273
Gross profit	241,609	232,697	718,212	699,607
Selling, general & administrative expenses	136,424	131,217	419,495	403,323
Rationalization and asset impairment charges	29,068	6,302	29,887	8,204
Operating income	76,117	95,178	268,830	288,080
Other income (expense):
Interest income	627	536	2,465	2,452
Equity earnings in affiliates	1,172	1,170	4,308	3,687
Other income	1,043	1,514	3,204	3,141
Interest expense	(1,174)	(558)	(3,730)	(2,307)
Total other income	1,668	2,662	6,247	6,973
Income before income taxes	77,785	97,840	275,077	295,053
Income taxes	32,953	33,588	96,532	91,431
Net income including non-controlling interests	44,832	64,252	178,545	203,622
Non-controlling interests in subsidiaries’ loss	(857)	(1,792)	(929)	(1,834)
Net income	$ 45,689	$ 66,044	$ 179,474	$ 205,456
Basic earnings per share (in dollars per share)	$ 0.58	$ 0.81	$ 2.25	$ 2.50
Diluted earnings per share (in dollars per share)	$ 0.57	$ 0.80	$ 2.22	$ 2.47
Cash dividends declared per share (in dollars per share)	$ 0.23	$ 0.2	$ 0.69	$ 0.60