Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 30, 2022	Jun. 16, 2022	Sep. 29, 2023
Net sales	$ 497.0	$ 550.4	$ 465.4	$ 874.6	$ 1,396.6
Cost of sales	346.2	552.1	449.9	582.0	1,091.1
Gross profit	150.8	(1.7)	15.5	292.6	305.5
Selling, general and administrative expenses	129.2	143.4	122.3	266.3	369.6
Research and development expenses	25.7	34.5	28.3	65.5	83.0
Restructuring charges, net	(0.1)	3.3	2.2	9.6	0.9
Separation Costs	142.1	16.1	6.9	9.0	157.3
Operating loss	(282.0)	(199.0)	(144.2)	(57.8)	(441.2)
Interest expense	133.1	169.1	148.0	108.6	457.7
Interest income	(3.4)	(1.4)	(1.3)	(0.6)	(12.8)
Other income (expense), net	9.1	0.8	(5.1)	(14.6)	(6.7)
Reorganization items, net	(1,311.5)	(17.7)	(14.2)	(630.9)	(1,321.1)
Loss from continuing operations before income taxes	(1,714.1)	(383.6)	(310.2)	(811.3)	(2,213.9)
Income tax expense (benefit)	10.8	(34.6)	(24.9)	(497.3)	508.1
Loss from continuing operations	(1,724.9)	(349.0)	(285.3)	(314.0)	(2,722.0)
Income from discontinued operations, net of income taxes	0.1	$ 0.4	0.4	$ 0.9	$ 0.1
Net loss	$ (1,724.8)		$ (284.9)
Basic (loss) income per share (Note 6):
Loss from continuing operations	$ (128.61)	$ (26.44)	$ (21.61)	$ (3.70)	$ (205.37)
Income from discontinued operations		0.03	0.03	0.01	0.01
Net loss	$ (128.60)	$ (26.41)	$ (21.58)	$ (3.69)	$ (205.37)
Basic weighted-averaged shares outstanding (in shares)	13.4	13.2	13.2	84.8	13.3
Diluted (loss) income per share (Note 6):
Loss from continuing operations	$ (128.61)	$ (26.44)	$ (21.61)	$ (3.70)	$ (205.37)
Income from discontinued operations		0.03	0.03	0.01	0.01
Net loss	$ (128.60)	$ (26.41)	$ (21.58)	$ (3.69)	$ (205.37)
Diluted weighted-average shares outstanding (in shares)	13.4	13.2	13.2	84.8	13.3
Non-restructuring impairment charges	$ 135.9	$ 0.0	$ 0.0	$ 0.0	$ 135.9
Retained Earnings (Deficit)
Net loss	$ (1,724.8)	$ (348.6)	$ (284.9)	$ (313.1)	$ (2,721.9)