Condensed Consolidated Statements of Earnings (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]
Net sales	$ 931,558	$ 889,541	$ 1,833,981	$ 1,754,822
Cost of sales	364,038	355,630	706,942	702,750
Gross profit	567,520	533,911	1,127,039	1,052,072
Selling, general and administrative expenses	314,442	281,937	628,970	553,202
Income from operations	253,078	251,974	498,069	498,870
Interest expense, net	26,863	20,177	54,276	40,013
Other income/(expense), net	(1,334)	(1,520)	(1,463)	(2,199)
Earnings before income taxes	224,881	230,277	442,330	456,658
Income taxes	66,812	58,997	132,845	129,605
Net earnings	$ 158,069	$ 171,280	$ 309,485	$ 327,053
Earnings per share:
Basic (in dollars per share)	$ 1.56	$ 1.70	$ 3.06	$ 3.26
Diluted (in dollars per share)	$ 1.54	$ 1.69	$ 3.02	$ 3.22
Weighted average common shares outstanding:
Basic (in shares)	101,249	100,573	101,160	100,475
Diluted (in shares)	102,466	101,569	102,376	101,468
Dividends declared per common share (in dollars per share)	$ 0.30	$ 0.25	$ 0.60	$ 0.50