Condensed Consolidated Statements of Earnings (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net revenues	$ 1,202.5	$ 1,086.3
Cost of sales	452.0	418.7
Gross profit	750.5	667.6
Selling, general and administrative expenses	450.3	409.3
Income from operations	300.2	258.3
Interest expense, net	43.2	45.9
Other expense, net	(1.7)	(1.1)
Earnings before income taxes	255.3	211.3
Income taxes	44.0	53.2
Net earnings	$ 211.3	$ 158.1
Net earnings per share:
Basic (in dollars per share)	$ 2.05	$ 1.55
Diluted (in dollars per share)	$ 2.03	$ 1.53
Weighted average common shares outstanding:
Basic (in shares)	102.9	101.9
Diluted (in shares)	104.2	103.1
Dividends declared per common share (in usd per share)	$ 0.4125	$ 0.3500