Condensed Consolidated Statements of Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]
Net sales	$ 889,541	$ 885,175	$ 1,754,822	$ 1,719,227
Cost of sales	355,630	361,993	702,750	707,109
Gross profit	533,911	523,182	1,052,072	1,012,118
Selling, general and administrative expenses	281,937	276,516	553,202	542,052
Income from operations	251,974	246,666	498,870	470,066
Interest expense, net	20,177	19,512	40,013	39,339
Other income/(expense), net	(1,520)	(930)	(2,199)	490
Earnings before income taxes	230,277	226,224	456,658	431,217
Income taxes	58,997	68,863	129,605	126,630
Net earnings	$ 171,280	$ 157,361	$ 327,053	$ 304,587
Earnings per share:
Basic (in dollars per share)	$ 1.70	$ 1.58	$ 3.26	$ 3.05
Diluted (in dollars per share)	$ 1.69	$ 1.56	$ 3.22	$ 3.02
Weighted average common shares outstanding:
Basic (in shares)	100,573,000	99,881,000	100,475,000	99,720,000
Diluted (in shares)	101,569,000	100,823,000	101,468,000	100,696,000
Dividends declared per common share (in dollars per share)	$ 0.25	$ 0.20	$ 0.50	$ 0.40