Statements of Consolidated Income and Comprehensive Income (Unaudited) (USD $) In Thousands, except 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	$ 3,042,995	$ 2,713,889	$ 5,409,551	$ 4,881,057
Cost of goods sold	1,633,342	1,480,310	2,933,997	2,684,627
Gross profit	1,409,653	1,233,579	2,475,554	2,196,430
Percent to net sales	46.30%	45.50%	45.80%	45.00%
Selling, general and administrative expenses	969,183	837,124	1,853,271	1,615,803
Percent to net sales	31.80%	30.80%	34.30%	33.10%
Other general expense - net	770	485	198	4,432
Interest expense	16,374	15,069	32,768	30,380
Interest and net investment income	(757)	(698)	(1,346)	(1,447)
Other (income) expense - net	(5,147)	715	(4,644)	(2,006)
Income before income taxes	429,230	380,884	595,307	549,268
Income taxes	137,783	123,597	188,403	175,796
Net income	291,447	257,287	406,904	373,472
Net income per common share:
Basic (in dollars per share)	$ 3.00	$ 2.51	$ 4.14	$ 3.65
Diluted (in dollars per share)	$ 2.94	$ 2.46	$ 4.06	$ 3.57
Average shares outstanding - basic (in shares)	96,599,869	101,665,737	97,716,539	101,813,398
Average shares and equivalents outstanding - diluted (in shares)	98,541,909	103,896,780	99,688,557	104,031,718
Comprehensive income	$ 305,178	$ 213,283	$ 412,432	$ 330,871