CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Net Sales	$ 464.7	$ 488.5	$ 1,381.2	$ 1,482.6
Cost of Sales	259.0	278.9	784.2	847.2
Gross profit	205.7	209.6	597.0	635.4
Operating expenses:
Selling, technical, general and administrative	128.8	139.5	397.6	424.6
Research and development	10.0	10.5	31.9	33.1
Total operating expenses	138.8	150.0	429.5	457.7
Operating profit	66.9	59.6	167.5	177.7
Other expense:
Interest expense, net	(17.4)	(77.9)	(73.7)	(233.4)
Foreign exchange (loss) gain	(1.2)	(4.7)	(2.4)	0.4
Other income (expense), net	2.9	(0.1)	(46.2)	13.6
Total other expense	(15.7)	(82.7)	(122.3)	(219.4)
Income (loss) before income taxes and non-controlling interests	51.2	(23.1)	45.2	(41.7)
Income tax (expense) benefit	(57.2)	18.8	(40.0)	(21.1)
Net (loss) income from continuing operations	(6.0)	(4.3)	5.2	(62.8)
(Loss) income from discontinued operations, net of tax	(0.9)	(401.6)	13.2	(293.3)
Net (loss) income	(6.9)	(405.9)	18.4	(356.1)
Net income attributable to non-controlling interests	0.0	(3.0)	(0.6)	(3.5)
Net (loss) income attributable to common stockholders	$ (6.9)	$ (408.9)	$ 17.8	$ (359.6)
(Loss) earnings per share
Basic from continuing operations (in dollars per share)	$ (0.02)	$ (0.02)	$ 0.02	$ (0.23)
Basic from discontinued operations (in dollars per share)	(0.01)	(1.40)	0.05	(1.02)
Basic (in dollars per share)	(0.03)	(1.42)	0.07	(1.25)
Diluted from continuing operations (in dollars per share)	(0.02)	(0.02)	0.02	(0.23)
Diluted from discontinued operations (in dollars per share)	(0.01)	(1.40)	0.05	(1.02)
Diluted (in dollars per share)	$ (0.03)	$ (1.42)	$ 0.07	$ (1.25)
Weighted average common shares outstanding
Basic (in shares)	254.4	288.2	259.9	288.1
Diluted (in shares)	254.4	288.2	262.4	288.1