QUARTERLY DATA (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
QUATERLY FINANCIAL DATA [Line Items]
Net Sales	$ 1,956,253	$ 1,853,886	$ 1,508,514	$ 1,827,426	$ 1,751,035	$ 1,746,709	$ 1,414,444	$ 1,732,064	$ 7,146,079	$ 6,644,252	$ 6,080,788
Gross Profit	857,386	855,551	718,574	849,337	755,208	742,757	618,521	743,396
Net Income	$ 186,075	$ 232,985	$ 159,504	$ 241,906	$ 149,879	$ 176,716	$ 135,685	$ 198,651	$ 820,470	$ 660,931	$ 628,962
Market Price of Common Stock High	$ 100.90	$ 97.69	$ 91.25	$ 87.53	$ 74.64	$ 73.16	$ 72.03	$ 61.94
Market Price of Common Stock Low	$ 91.04	$ 89.17	$ 85.25	$ 73.51	$ 68.85	$ 70.09	$ 59.81	$ 59.49
Common Stock
QUATERLY FINANCIAL DATA [Line Items]
Earnings Per Share - Basic	$ 0.85	$ 1.07	$ 0.73	$ 1.11	$ 0.69	$ 0.80	$ 0.62	$ 0.91	$ 3.76	$ 3.01	$ 2.85
Earnings Per Share - Diluted	$ 0.82	$ 1.03	$ 0.70	$ 1.06	$ 0.66	$ 0.77	$ 0.59	$ 0.87	$ 3.61	$ 2.89	$ 2.74
Common Stock	$ 0.485	$ 0.485	$ 0.42	$ 0.42	$ 0.42	$ 0.38	$ 0.38	$ 0.38	$ 1.81	$ 1.560	$ 1.38
Common Class B
QUATERLY FINANCIAL DATA [Line Items]
Earnings Per Share - Basic	$ 0.77	$ 0.96	$ 0.66	$ 1.00	$ 0.62	$ 0.73	$ 0.56	$ 0.82	$ 3.39	$ 2.73	$ 2.58
Earnings Per Share - Diluted	$ 0.76	$ 0.95	$ 0.66	$ 0.99	$ 0.62	$ 0.73	$ 0.55	$ 0.81	$ 3.37	$ 2.71	$ 2.56
Common Stock	$ 0.435	$ 0.435	$ 0.38	$ 0.38	$ 0.380	$ 0.344	$ 0.344	$ 0.344	$ 1.63	$ 1.412	$ 1.25