CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 599.3	$ 618.5	$ 1,759.8	$ 1,975.6
Cost of sales	357.4	396.6	1,061.6	1,240.9
Gross profit	241.9	221.9	698.2	734.7
Operating expenses:
Selling, technical, general and administrative	149.9	131.4	445.8	431.3
Research and development	12.9	11.3	54.3	38.2
Goodwill impairment	80.0	0.0	80.0	0.0
Total operating expenses	242.8	142.7	580.1	469.5
Operating (loss) profit	(0.9)	79.2	118.1	265.2
Other (expense) income:
Interest expense, net	(13.3)	(12.3)	(37.0)	(39.6)
Foreign exchange (loss) gain	(5.3)	0.9	8.6	2.9
Other income, net	3.1	2.0	1.8	5.2
Total other expense	(15.5)	(9.4)	(26.6)	(31.5)
(Loss) income before income taxes and non-controlling interests	(16.4)	69.8	91.5	233.7
Income tax expense	(15.3)	(16.5)	(53.4)	(60.4)
Net (loss) income from continuing operations	(31.7)	53.3	38.1	173.3
Income from discontinued operations, net of tax	0.0	0.0	2.9	1.8
Net income	(31.7)	53.3	41.0	175.1
Net income attributable to non-controlling interests	(0.1)	(0.1)	0.0	(0.6)
Net (loss) income attributable to common stockholders	$ (31.8)	$ 53.2	$ 41.0	$ 174.5
(Loss) earnings per share
Basic from continuing operations (in dollars per share)	$ (0.13)	$ 0.22	$ 0.16	$ 0.70
Basic from discontinued operations (in dollars per share)	0	0	0.01	0.01
Basic attributable to common stockholders (in dollars per share)	(0.13)	0.22	0.17	0.71
Diluted from continuing operations (in dollars per share)	(0.13)	0.22	0.16	0.70
Diluted from discontinued operations (in dollars per share)	0	0	0.01	0.01
Diluted attributable to common stockholders (in dollars per share)	$ (0.13)	$ 0.22	$ 0.17	$ 0.71
Weighted average common shares outstanding
Basic (in shares)	241.5	244.7	241.4	246.4
Diluted (in shares)	241.5	245.0	241.8	247.2