Condensed Consolidated Statements of Earnings (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]
Net sales	$ 883,933	$ 884,122	$ 2,638,755	$ 2,603,349
Cost of sales	350,450	360,082	1,053,200	1,067,191
Gross profit	533,483	524,040	1,585,555	1,536,158
Selling, general and administrative expenses	283,112	278,382	836,314	820,434
Income from operations	250,371	245,658	749,241	715,724
Interest expense, net	20,369	20,013	60,382	59,352
Other income/(expense), net	251	552	(1,948)	1,042
Earnings before income taxes	230,253	226,197	686,911	657,414
Income taxes	69,836	70,687	199,441	197,317
Net earnings	$ 160,417	$ 155,510	$ 487,470	$ 460,097
Earnings per share:
Basic (in dollars per share)	$ 1.59	$ 1.55	$ 4.85	$ 4.61
Diluted (in dollars per share)	$ 1.58	$ 1.54	$ 4.80	$ 4.56
Weighted average common shares outstanding:
Basic (in shares)	100,681	100,068	100,545	99,837
Diluted (in shares)	101,607	101,006	101,512	100,803
Dividends declared per common share (in dollars per share)	$ 0.25	$ 0.20	$ 0.75	$ 0.60