Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 1,386.9	$ 1,588.8	$ 2,555.3	$ 3,253.2
Cost of sales	839.3	1,019.9	1,605.5	2,054.1
Gross profit	547.6	568.9	949.8	1,199.1
Transition service agreement income	8.4	0.0	18.0	0.0
Operating expenses:
Selling, general and administrative	210.3	230.0	410.0	462.0
Research and development	91.6	128.3	196.0	253.9
Amortization of purchased intangible assets	60.4	75.8	134.6	176.4
Restructuring costs, net	0.9	36.6	31.5	25.5
Total operating expenses	363.2	470.7	772.1	917.8
Operating income	192.8	98.2	195.7	281.3
Other income, net	3.7	1.7	2.6	7.0
Interest expense	(167.5)	(168.5)	(335.2)	(333.6)
Interest income	2.1	1.9	5.7	4.4
Income (loss) from continuing operations before income taxes	31.1	(66.7)	(131.2)	(40.9)
Income tax (expense) benefit	43.7	3.6	(56.1)	7.6
Income (loss) from continuing operations	74.8	(63.1)	(187.3)	(33.3)
Loss from discontinued operations, net of income tax (expense) benefit of $6.8, $(12.0), $(10.8) and $(8.2), respectively	(30.4)	(37.3)	(127.5)	(63.7)
Net income (loss)	44.4	(100.4)	(314.8)	(97.0)
Series A convertible preferred stock dividends	(16.2)	(15.3)	(32.2)	(30.4)
Net income (loss) attributable to common stockholders	$ 28.2	$ (115.7)	$ (347.0)	$ (127.4)
Basic:
Earnings (loss) from continuing operations per share	$ 0.27	$ (0.37)	$ (1.03)	$ (0.3)
Loss from discontinued operations per share	(0.14)	(0.18)	(0.6)	(0.31)
Earnings loss per share	0.13	(0.55)	(1.63)	(0.61)
Diluted:
Earnings (loss) from continuing operations per share	0.27	(0.37)	(1.03)	(0.3)
Loss from discontinued operations per share	(0.14)	(0.18)	(0.6)	(0.31)
Earnings (loss) per share	$ 0.13	$ (0.55)	$ (1.63)	$ (0.61)
Weighted average shares outstanding:
Basic	213.5	210.5	212.9	209.7
Diluted	215.5	210.5	212.9	209.7