Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net sales	$ 1,521.8	$ 1,244.5	$ 4,131.1	$ 3,656.8
Cost of sales	322.7	243.4	841.2	728.2
Gross profit	1,199.1	1,001.1	3,289.9	2,928.6
Royalty overrides	463.1	363.8	1,251.2	1,090.1
Selling, general, and administrative expenses	529.7	500.1	1,559.5	1,412.5
Other operating income	(0.6)	(6.4)	(13.0)	(33.7)
Operating income	206.9	143.6	492.2	459.7
Interest expense, net	35.2	31.6	89.0	104.0
Other income, net		(1.3)		(15.7)
Income before income taxes	171.7	113.3	403.2	371.4
Income taxes	33.6	31.8	104.4	117.1
Net income	$ 138.1	$ 81.5	$ 298.8	$ 254.3
Earnings per share:
Basic	$ 1.07	$ 0.59	$ 2.21	$ 1.85
Diluted	$ 1.04	$ 0.58	$ 2.17	$ 1.79
Weighted-average shares outstanding:
Basic	129.2	137.4	135.0	137.3
Diluted	132.5	140.0	137.8	142.3