CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net sales	$ 728,531	$ 727,432	$ 1,413,593	$ 1,446,005
Cost of goods sold	478,264	487,094	936,990	979,095
Gross profit	250,267	240,338	476,603	466,910
Selling, general & administrative expenses	137,156	135,215	283,071	272,106
Rationalization and asset impairment charges	836	851	819	1,902
Operating income	112,275	104,272	192,713	192,902
Other income (expense):
Interest income	924	890	1,838	1,916
Equity earnings in affiliates	1,575	1,258	3,136	2,517
Other income	1,078	913	2,161	1,627
Interest expense	(986)	(799)	(2,556)	(1,749)
Total other income	2,591	2,262	4,579	4,311
Income before income taxes	114,866	106,534	197,292	197,213
Income taxes	37,577	34,007	63,579	57,843
Net income including non-controlling interests	77,289	72,527	133,713	139,370
Non-controlling interests in subsidiaries’ loss	(43)	(79)	(72)	(42)
Net income	$ 77,332	$ 72,606	$ 133,785	$ 139,412
Basic earnings per share (in dollars per share)	$ 0.97	$ 0.88	$ 1.67	$ 1.69
Diluted earnings per share (in dollars per share)	$ 0.96	$ 0.87	$ 1.65	$ 1.67
Cash dividends declared per share (in dollars per share)	$ 0.23	$ 0.20	$ 0.46	$ 0.40