Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Net sales	$ 2,185.3	$ 2,102.8	$ 4,257.3	$ 4,136.0
Cost of sales	1,512.0	1,446.7	2,911.8	2,838.7
Gross profit	673.3	656.1	1,345.5	1,297.3
Operating expenses:
Selling, general and administrative	302.3	290.9	595.0	602.0
Research and development	176.3	176.1	347.8	356.5
Amortization of purchased intangible assets	154.2	157.6	308.9	315.4
Restructuring costs, net	58.9	19.6	103.3	43.3
Asset impairments		206.7		206.7
Total operating expenses	691.7	850.9	1,355.0	1,523.9
Operating loss	(18.4)	(194.8)	(9.5)	(226.6)
Other income (expense), net	1.5	(0.8)	2.5	(13.3)
Interest expense	(138.0)	(141.4)	(275.5)	(290.5)
Interest income	0.5	0.8	1.0	2.9
Loss before income taxes	(154.4)	(336.2)	(281.5)	(527.5)
Income tax benefit	0.6	15.1	30.1	46.5
Net loss	(153.8)	(321.1)	(251.4)	(481.0)
Series A convertible preferred stock dividend	(14.3)	(13.9)	(28.7)	(27.7)
Net loss attributable to common stockholders	$ (168.1)	$ (335.0)	$ (280.1)	$ (508.7)
Loss per share:
Basic	$ (0.82)	$ (1.71)	$ (1.38)	$ (2.60)
Diluted	$ (0.82)	$ (1.71)	$ (1.38)	$ (2.60)
Weighted average shares outstanding:
Basic	204.1	195.9	202.9	195.4
Diluted	204.1	195.9	202.9	195.4