Condensed Consolidated Statements of Earnings (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]
Net sales	$ 884,122	$ 827,810	$ 2,603,349	$ 2,348,955
Cost of sales	360,082	345,185	1,067,191	999,247
Gross profit	524,040	482,625	1,536,158	1,349,708
Selling, general and administrative expenses	278,382	263,276	820,434	765,436
Income from operations	245,658	219,349	715,724	584,272
Interest expense, net	20,013	24,705	59,352	67,924
Other income/(expense), net	552	409	1,042	453
Earnings before income taxes	226,197	195,053	657,414	516,801
Income taxes	70,687	58,730	197,317	144,211
Net earnings	$ 155,510	$ 136,323	$ 460,097	$ 372,590
Earnings per share:
Basic (in dollars per share)	$ 1.55	$ 1.37	$ 4.61	$ 3.76
Diluted (in dollars per share)	$ 1.54	$ 1.36	$ 4.56	$ 3.72
Weighted average common shares outstanding:
Basic (in shares)	100,068	99,207	99,837	99,058
Diluted (in shares)	101,006	100,302	100,803	100,152
Dividends declared per common share (in dollars per share)	$ 0.2000	$ 0.1650	$ 0.6000	$ 0.4950