Statements of Consolidated Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 4,731,470	$ 4,507,020	$ 13,470,272	$ 11,004,224
Cost of goods sold	2,721,066	2,605,193	7,734,393	6,024,727
Gross profit	$ 2,010,404	$ 1,901,827	$ 5,735,879	$ 4,979,497
Percent to net sales	42.50%	42.20%	42.60%	45.30%
Selling, general and administrative expenses	$ 1,273,066	$ 1,307,402	$ 3,795,492	$ 3,472,202
Percent to net sales	26.90%	29.00%	28.20%	31.60%
Other general expense - net	$ 11,526	$ 4,109	$ 41,495	$ 6,160
Amortization	80,077	83,711	239,019	118,799
Interest expense	92,281	91,593	277,335	174,017
Interest and net investment income	(555)	(2,448)	(2,732)	(6,819)
California litigation expense	136,333		136,333
Other expense (income) - net	1,723	(10,262)	(8,688)	(28,192)
Income from continuing operations before income taxes	415,953	427,722	1,257,625	1,243,330
Income taxes	61,926	111,116	249,867	326,921
Net income from continuing operations	354,027	316,606	1,007,758	916,409
Loss from discontinued operations (see Note 4)
Income taxes				41,540
Net loss from discontinued operations	0	0	0	(41,540)
Net income	$ 354,027	$ 316,606	$ 1,007,758	$ 874,869
Basic net income per common share
Continuing operations (in dollars per share)	$ 3.80	$ 3.40	$ 10.82	$ 9.88
Discontinued operations (in dollars per share)	0.00	0.00	0.00	(0.45)
Net income per common share (in dollars per share)	3.80	3.40	10.82	9.43
Diluted net income per common share
Continuing operations (in dollars per share)	3.72	3.33	10.59	9.67
Discontinued operations (in dollars per share)	0.00	0.00	0.00	(0.44)
Net income per common share (in dollars per share)	$ 3.72	$ 3.33	$ 10.59	$ 9.23
Average shares outstanding - basic (in shares)	93,099,714	92,988,118	93,121,900	92,793,275
Average shares and equivalents outstanding - diluted (in shares)	95,135,257	95,207,884	95,170,768	94,817,669