CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 2,853,367	$ 2,694,609	$ 2,070,172
Cost of goods sold	1,986,711	1,957,872	1,506,353
Gross profit	866,656	736,737	563,819
Selling, general & administrative expenses	495,221	439,775	377,773
Rationalization and asset impairment charges (gains)	9,354	282	(384)
Operating income	362,081	296,680	186,430
Other income (expense):
Interest income	3,988	3,121	2,381
Equity earnings in affiliates	5,007	5,385	3,171
Other income	2,685	2,849	1,817
Interest expense	(4,191)	(6,704)	(6,691)
Total other income (expense)	7,489	4,651	678
Income before income taxes	369,570	301,331	187,108
Income taxes	112,354	84,318	54,898
Net income including non-controlling interests	257,216	217,013	132,210
Non-controlling interests in subsidiaries' (loss) earnings	(195)	(173)	1,966
Net income	$ 257,411	$ 217,186	$ 130,244
Basic earnings per share (in dollars per share)	$ 3.10	$ 2.60	$ 1.54
Diluted earnings per share (in dollars per share)	$ 3.06	$ 2.56	$ 1.53
Cash dividends declared per share (in dollars per share)	$ 0.710	$ 0.635	$ 0.575