Consolidated and Combined Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenue	$ 3,273.3	$ 3,071.0	$ 3,066.8
Costs, expenses and other:
Cost of sales	1,666.6	1,470.3	1,573.8
Research and development	327.0	270.1	246.6
Marketing, selling and administrative	996.6	760.2	735.2
Amortization of intangible assets	359.9	200.4	197.4
Asset impairment, restructuring and other special charges	623.7	185.5	128.8
Interest expense, net of capitalized interest	149.8	78.9	29.6
Other expense (income), net	(178.3)	27.4	41.3
Costs, expenses and other	3,945.3	2,992.8	2,952.7
Income (loss) before income taxes	(672.0)	78.2	114.1
Income tax expense (benefit)	(111.9)	10.3	27.6
Net income (loss)	$ (560.1)	$ 67.9	$ 86.5
Earnings (loss) per share
Basic (usd per share)	$ (1.27)	$ 0.18	$ 0.28
Diluted (usd per share)	$ (1.27)	$ 0.18	$ 0.28
Weighted average shares outstanding
Basic (in shares)	441.4	369.0	313.7
Diluted (in shares)	441.4	370.3	313.7