Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements of Earnings [Abstract]
Net sales	$ 3,582,395	$ 3,549,494	$ 3,238,128
Cost of sales	1,417,749	1,447,595	1,355,200
Gross profit	2,164,646	2,101,899	1,882,928
Selling, general and administrative expenses	1,136,728	1,102,426	1,040,567
Income from operations	1,027,918	999,473	842,361
Interest expense	84,225	78,637	88,039
Loss on extinguishment of debt	0	0	0
Other income, net	58,652	620	(192)
Earnings before income taxes	1,002,345	921,456	754,130
Income taxes	306,278	275,423	215,837
Net earnings	$ 696,067	$ 646,033	$ 538,293
Earnings per share:
Basic (in dollars per share)	$ 6.92	$ 6.47	$ 5.43
Diluted (in dollars per share)	$ 6.85	$ 6.40	$ 5.37
Weighted average common shares outstanding:
Basic (in shares)	100,616	99,916	99,123
Diluted (in shares)	101,597	100,884	100,209
Dividends declared per common share (in dollars per share)	$ 1.05	$ 0.85	$ 0.70