Consolidated and Combined Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Sales	$ 2,751.6	$ 2,844.5	$ 2,810.9
Cost of sales	(1,238.5)	(1,242.7)	(1,189.7)
Gross profit	1,513.1	1,601.8	1,621.2
Operating expenses:
Selling, general and administrative	1,080.9	1,131.4	1,062.2
Research and development	154.7	172.0	172.4
Operating profit	277.5	298.4	386.6
Nonoperating income (expense):
Other income	1.5	2.7	0.1
Interest expense, net	(3.5)	0.0	0.0
Income before income taxes	275.5	301.1	386.7
Income taxes	(57.9)	(70.4)	(85.6)
Net income	$ 217.6	$ 230.7	$ 301.1
Earnings per share:
Basic (in USD per share)	$ 1.60	$ 1.80	$ 2.35
Diluted (in USD per share)	$ 1.60	$ 1.80	$ 2.35
Average common stock and common equivalent shares outstanding:
Basic (in share)	136.2	127.9	127.9
Diluted (in shares)	136.4	127.9	127.9