Consolidated Statements of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 804,890	$ 701,730	$ 1,573,765	$ 1,342,313
Cost of sales	389,739	335,497	764,437	642,700
Gross profit	415,151	366,233	809,328	699,613
Operating and administrative expenses	236,538	215,868	469,508	420,560
(Gain) loss on sale of property and equipment	(282)	259	(108)	284
Operating income	178,895	150,106	339,928	278,769
Interest income	144	76	240	224
Earnings before income taxes	179,039	150,182	340,168	278,993
Income tax expense	66,733	56,070	127,668	105,334
Net earnings	$ 112,306	$ 94,112	$ 212,500	$ 173,659
Basic net earnings per share	$ 0.38	$ 0.32	$ 0.72	$ 0.59
Diluted net earnings per share	$ 0.38	$ 0.32	$ 0.72	$ 0.59
Basic weighted average shares outstanding	296,110,167	294,973,572	295,826,501	294,917,946
Diluted weighted average shares outstanding	297,129,898	295,915,616	297,021,238	295,689,663