Statements of Consolidated Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales	$ 3,132,139	$ 3,042,995	$ 5,582,423	$ 5,409,551
Cost of goods sold	1,602,153	1,633,342	2,919,988	2,933,997
Gross profit	$ 1,529,986	$ 1,409,653	$ 2,662,435	$ 2,475,554
Percent to net sales	48.80%	46.30%	47.70%	45.80%
Selling, general and administrative expenses	$ 999,224	$ 969,183	$ 1,928,421	$ 1,853,271
Percent to net sales	31.90%	31.80%	34.50%	34.30%
Other general expense - net	$ 9,971	$ 770	$ 8,298	$ 198
Interest expense	12,885	16,374	25,236	32,768
Interest and net investment income	(553)	(757)	(975)	(1,346)
Other expense (income) - net	677	(5,147)	432	(4,644)
Income before income taxes	507,782	429,230	701,023	595,307
Income taxes	157,845	137,783	219,682	188,403
Net income	$ 349,937	$ 291,447	$ 481,341	$ 406,904
Net income per common share:
Basic (in dollars per share)	$ 3.78	$ 3.00	$ 5.18	$ 4.14
Diluted (in dollars per share)	$ 3.70	$ 2.94	$ 5.08	$ 4.06
Average shares outstanding - basic	92,260,367	96,599,869	92,500,213	97,716,539
Average shares and equivalents outstanding - diluted	94,124,695	98,541,909	94,427,191	99,688,557
Comprehensive income	$ 361,580	$ 305,178	$ 436,637	$ 412,432