Condensed Consolidated Statements of Earnings (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Net revenues	$ 1,293.7	$ 1,134.7	$ 2,496.2	$ 2,221.0
Cost of sales	477.8	429.0	929.8	847.7
Gross profit	815.9	705.7	1,566.4	1,373.3
Selling, general and administrative expenses	461.6	411.5	911.9	820.8
Income from operations	354.3	294.2	654.5	552.5
Interest expense, net	43.2	45.8	86.4	91.7
Other income, net	2.3	7.0	0.6	5.9
Earnings before income taxes	313.4	255.4	568.7	466.7
Income taxes	85.0	75.9	129.0	129.1
Net earnings	$ 228.4	$ 179.5	$ 439.7	$ 337.6
Net earnings per share:
Basic (in dollars per share)	$ 2.21	$ 1.76	$ 4.26	$ 3.31
Diluted (in dollars per share)	$ 2.19	$ 1.74	$ 4.22	$ 3.27
Weighted average common shares outstanding:
Basic (in shares)	103.2	102.1	103.1	102.0
Diluted (in shares)	104.4	103.4	104.3	103.2
Dividends declared per common share (in usd per share)	$ 0.4125	$ 0.35	$ 0.8250	$ 0.70