CONDENSED CONSOLIDATED INCOME STATEMENTS - USD ($) $ 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	$ 185.7	$ 171.4	$ 529.8	$ 507.8
Cost of products sold	89.9	76.4	245.4	215.3
Gross Profit	95.8	95.0	284.4	292.5
Research and development	8.2	9.6	25.3	29.3
Selling and general expenses	82.4	94.4	250.4	295.5
Other expense, net	5.3	9.1	10.0	20.2
Operating Loss	(0.1)	(18.1)	(1.3)	(52.5)
Interest income	0.2	1.3	1.1	5.7
Interest expense	(4.3)	(3.5)	(12.9)	(10.7)
Loss Before Income Taxes	(4.2)	(20.3)	(13.1)	(57.5)
Income tax benefit	23.5	8.8	33.1	17.7
Net Income (Loss)	$ 19.3	$ (11.5)	$ 20.0	$ (39.8)
Earnings (Loss) Per Share
Basic (in dollars per share)	$ 0.40	$ (0.24)	$ 0.42	$ (0.84)
Diluted (in dollars per share)	$ 0.40	$ (0.24)	$ 0.42	$ (0.84)