Acquisitions and Discontinued Operations Income Statement (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0.0	$ 0.0	$ 0.0	$ 693.9
Cost of goods sold	0.0	0.0	0.0	424.0
Gross profit	0.0	0.0	0.0	269.9
Selling, general and administrative expenses	1.2	2.5	2.0	233.5
Research and development expenses	0.0	0.0	0.0	14.6
Operating (loss) income	(1.2)	(2.5)	(2.0)	21.8
(Loss) income from discontinued operations before income taxes	(1.3)	14.8	(2.5)	34.6
Income tax (benefit) provision	(2.3)	(4.1)	(1.6)	7.6
Income (loss) from discontinued operations, net of tax	1.0	18.9	(0.9)	27.0
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax	$ 1.0	$ 18.9	$ (0.9)	$ 27.0