Condensed Consolidated Statements of Earnings (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]
Net sales	$ 902,423	$ 865,281
Cost of sales	342,904	347,120
Gross profit	559,519	518,161
Selling, general and administrative expenses	314,528	271,265
Income from operations	244,991	246,896
Interest expense, net	27,413	19,836
Other income/(expense), net	(129)	(679)
Earnings before income taxes	217,449	226,381
Income taxes	66,033	70,608
Net earnings	$ 151,416	$ 155,773
Earnings per share:
Basic (in dollars per share)	$ 1.50	$ 1.55
Diluted (in dollars per share)	$ 1.48	$ 1.54
Weighted average common shares outstanding:
Basic (in shares)	101,071	100,377
Diluted (in shares)	102,318	101,361
Dividends declared per common share (in dollars per share)	$ 0.30	$ 0.25