CONDENSED CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net Sales	$ 163.7	$ 172.2	$ 344.1	$ 336.4
Cost of products sold	77.2	73.5	155.5	138.9
Gross Profit	86.5	98.7	188.6	197.5
Research and development	7.7	9.5	17.1	19.7
Selling and general expenses	76.9	94.7	168.0	201.1
Other expense, net	3.7	4.3	4.7	11.1
Operating Loss	(1.8)	(9.8)	(1.2)	(34.4)
Interest income	0.2	2.0	0.9	4.4
Interest expense	(4.3)	(3.5)	(8.6)	(7.2)
Loss Before Income Taxes	(5.9)	(11.3)	(8.9)	(37.2)
Income tax benefit	2.9	3.3	9.6	8.9
Net (Loss) Income	$ (3.0)	$ (8.0)	$ 0.7	$ (28.3)
(Loss) Earnings Per Share
Basic (in dollars per share)	$ (0.06)	$ (0.17)	$ 0.02	$ (0.60)
Diluted (in earnings per share)	$ (0.06)	$ (0.17)	$ 0.02	$ (0.60)
Cost, Product and Service [Extensible List]			us-gaap:ProductMember